rodolicoite

Named after Francesco Rodolico (1905-1988), Professor of Mineralogy at the University of Florence in Italy, a specialist of the history of geology.
Rodolico + -ite

(mineralogy) A trigonal-trapezohedral mineral containing iron, oxygen, and phosphorus.


radovanite

Named after Professor Radovan Cerny (born 1957), eminent crystallographer at the University of Geneva, Switzerland, + -ite.

(mineralogy) An orthorhombic-dipyramidal pistachio green mineral containing arsenic, copper, hydrogen, iron, and oxygen.


rittmannite

Named after Alfred Rittman, Swiss volcanologist.
Rittman + -ite

(mineralogy) A monoclinic-prismatic light yellow mineral containing aluminum, hydrogen, iron, manganese, oxygen, and phosphorus.


rodalquilarite

Named after the type locality: Rodalquilar, Níjar, Andalusia, Spain
Rodalquilar + -ite

(mineralogy) A triclinic mineral containing chlorine, hydrogen, iron, oxygen, and tellurium.


rinmanite

Named in honour of Sven Rinman (1720-1792), chemist, mineralogist, author of two mining engineering books and discoverer of the pigment Rinman's green.
Rinman + -ite

(mineralogy) A hexagonal-dihexagonal pyramidal mineral containing aluminum, antimony, hydrogen, iron, magnesium, manganese, oxygen, and zinc.


rohaite

Named after John Rose-Hansen (1937-2015), professor of mineralogy at the University of Copenhagen, Denmark
Rose-Hansen + -ite

(mineralogy) An orthorhombic-dipyramidal steel gray mineral containing antimony, copper, sulfur, and thallium.


ranunculite

From Latin ranunculus (“buttercup”) + -ite for its golden yellow color.

(mineralogy) A monoclinic mineral containing aluminum, hydrogen, oxygen, phosphorus, and uranium.


rockbridgeite

From Rockbridge (“Rockbridge County”) + -ite.

(mineralogy) An orthorhombic-dipyramidal mineral containing hydrogen, iron, manganese, oxygen, and phosphorus.


rilandite

Named after James L. Riland (1857-1936), newspaper publisher from Meeker, Colorado, USA and owner of the claims on which the mineral was discovered
Riland + -ite

(mineralogy) A monoclinic black mineral containing aluminum, chromium, hydrogen, oxygen, and silicon.


medaite

(mineralogy) A monoclinic-prismatic brownish red mineral containing arsenic, calcium, hydrogen, manganese, oxygen, silicon, and vanadium.


rubicline

(mineralogy) A triclinic-pinacoidal colorless mineral containing aluminum, oxygen, potassium, rubidium, and silicon.


robinsonite

Named in 1951 by Leonard Gascoigne Beryy, Joseph John Fahey and Edgar Herbert Bailey in honour of Stephen Clive Robinson (1911-1981), Canadian mineralogist with the Geological Survey of Canada who synthesized the mineral before it was found naturally.
Robinson + -ite

(mineralogy) A monoclinic-prismatic bluish lead gray mineral containing antimony, lead, and sulfur.


rivadavite

Named after Argentine president Bernardino Rivadavia (1780-1845)
Rivadav- + -ite
There is no connection to the Rivadavia borate mine

(mineralogy) A monoclinic-prismatic mineral containing boron, hydrogen, magnesium, oxygen, and sodium.


rondorfite

(mineralogy) An isometric-diploidal mineral containing aluminum, calcium, chlorine, hydrogen, iron, magnesium, oxygen, silicon, sodium, and titanium.


roggianite

Named in honour of Aldo Giuseppe Roggiani (1914-1986), Italian science teacher who found the first specimen and an expert on the mineralogy of the Ossola region
Roggiani + -ite

(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing aluminum, beryllium, calcium, hydrogen, oxygen, and silicon.


ronneburgite

(mineralogy) A monoclinic-prismatic reddish brown mineral containing magnesium, manganese, oxygen, potassium, and vanadium.


roquesite

(mineralogy) A tetragonal-scalenohedral gray mineral containing copper, indium, and sulfur.


rebulite

Named after a Slovenian geologist or mining engineer named Rebula, who discovered the mineral, + -ite.

named-after

(mineralogy) A monoclinic-prismatic dark gray mineral containing antimony, arsenic, sulfur, and thallium.


richelsdorfite

Named after its discovery locality, Wilhelm Mine in the Richelsdorf District of Hesse, Germany.
Richelsdorf + -ite

(mineralogy) A monoclinic-prismatic mineral containing antimony, arsenic, calcium, chlorine, copper, hydrogen, and oxygen.


rasvumite

Named after the type locality: Mt. Rasvumchorr, Kola Peninsula, Russia.
Rasvum- + -ite

(mineralogy) An orthorhombic-dipyramidal mineral containing iron, potassium, and sulfur.


redledgeite

Named after its discovery locality: Red Ledge Mine, Washington, Nevada Co., California, USA
Red Ledge + -ite

(mineralogy) A tetragonal-dipyramidal mineral containing barium, chromium, hydrogen, oxygen, and titanium.


romarchite

Named from the acronym for the Royal Ontario Museum where the mineral was first studied.
Royal Ontario Museum + Archaeology + -ite

(mineralogy) A tetragonal-ditetragonal dipyramidal black mineral containing oxygen and tin.


roaldite

From Roald + -ite, after Roald Norbach Nielsen.

(mineralogy) An isometric-hextetrahedral tin white mineral containing iron, nickel, and nitrogen.


richellite

Named for type locality Richelle (in Belgium) + -ite.

(mineralogy) A tetragonal-pyramidal mineral containing calcium, hydrogen, iron, oxygen, and phosphorus.


rossmanite

(mineralogy) A trigonal-ditrigonal pyramidal mineral containing aluminum, boron, hydrogen, lithium, oxygen, and silicon.


riomarinaite

Named after the type locality: Rio Marina Mine, Elba Island, Tuscany, Italy
Rio Marina + -ite

(mineralogy) A monoclinic-prismatic mineral containing bismuth, hydrogen, oxygen, and sulfur.


rhodarsenide

Named after its chemical composition of rhodium and arsenic.
From rhodo- + arsenide.

(mineralogy) An orthorhombic brown mineral containing arsenic, palladium, and rhodium.


rosickyite

(mineralogy) A monoclinic-prismatic mineral containing sulfur.


ruizite

(mineralogy) A monoclinic-prismatic mineral containing calcium, hydrogen, manganese, oxygen, and silicon.


rimkorolgite

Named in honour of Olga Mikhailovna Rimskaya-Korsakov (1914-1987), Russian mineralogist at St. Petersburg University
Rimskaya-Korsakov, Olga + -ite

(mineralogy) A monoclinic-prismatic mineral containing barium, hydrogen, magnesium, oxygen, and phosphorus.


roweite

(mineralogy) An orthorhombic-dipyramidal light brown mineral containing boron, calcium, hydrogen, manganese, and oxygen.


rouseite

(mineralogy) A triclinic yellow orange mineral containing arsenic, hydrogen, lead, manganese, and oxygen.


roshchinite

(mineralogy) An orthorhombic-dipyramidal mineral containing antimony, arsenic, copper, lead, silver, and sulfur.


rudenkoite

(mineralogy) A monoclinic white mineral containing aluminum, barium, calcium, chlorine, hydrogen, oxygen, silicon, and strontium.


roxbyite

roxby + -ite, named after its type locality Roxby Downs Olympic Dam Mine

(mineralogy) A monoclinic-prismatic bluish black mineral containing copper and sulfur.


roscherite

(mineralogy) A triclinic-pinacoidal mineral containing beryllium, calcium, hydrogen, iron, manganese, oxygen, and phosphorus.


sakharovaite

(mineralogy) A monoclinic lead gray mineral containing antimony, bismuth, iron, lead, and sulfur.


rosenbuschite

(mineralogy) A triclinic-pinacoidal mineral containing calcium, fluorine, oxygen, silicon, sodium, titanium, and zirconium.


rouaite

(mineralogy) A monoclinic-sphenoidal dark emerald green mineral containing copper, hydrogen, nitrogen, and oxygen.


rustenburgite

(mineralogy) An isometric-hexoctahedral tin white mineral containing palladium, platinum, and tin.


rucklidgeite

Named for John Christopher Rucklidge (1938-1921), Professor of Earth Sciences at the University of Toronto who first discovered the mineral + -ite

(mineralogy) A trigonal-hexagonal scalenohedral silver white mineral containing bismuth, lead, and tellurium.


metavauxite

(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, iron, oxygen, and phosphorus.


redgillite

Named for a mine near the type locality Red Gill Mine (in Cumbria, England) + -ite.

(mineralogy) A monoclinic-prismatic grass green mineral containing copper, hydrogen, oxygen, and sulfur.


picropharmacolite

For its composition: from Ancient Greek πικρός (pikrós, “bitter”) in allusion to its magnesium content and φάρμακον (phármakon, “drug, medicine, poison”) for its arsenic content, with the mineral suffix from λίθος (líthos, “stone”). It is similar but not closely related to pharmacolite.

(mineralogy) A triclinic-pinacoidal mineral containing arsenic, calcium, hydrogen, magnesium, and oxygen.


roedderite

Named after Edwin Woods Roedder (1919-2006), winner of the 1986 Roebling Medal and the 1988 Penrose Gold Medal, the president of the Mineralogical Society of America and the geologist who earlier discovered the synthetic compound with the United States Geological Survey.
Roedder + -ite

(mineralogy) A hexagonal-dihexagonal dipyramidal mineral containing iron, magnesium, oxygen, potassium, silicon, and sodium.


rusakovite

(mineralogy) A monoclinic mineral containing aluminum, hydrogen, iron, oxygen, phosphorus, and vanadium.


rustumite

(mineralogy) A monoclinic-prismatic colorless mineral containing calcium, chlorine, hydrogen, oxygen, and silicon.


poitevinite

en-noun

poitevinite (countable and uncountable, plural poitevinites)

Named after Canadian mineralogist Théophile Eugène Poitevin (1888–1978) + -ite. The surname is of French origin, see Poitevin.

named-after

(mineralogy) A triclinic-pinacoidal mineral containing copper, hydrogen, iron, oxygen, sulfur, and zinc.


sailaufite

(mineralogy) A monoclinic-domatic mineral containing arsenic, calcium, carbon, hydrogen, manganese, oxygen, and sodium.


ruitenbergite

(mineralogy) A monoclinic-sphenoidal mineral containing boron, calcium, chlorine, hydrogen, and oxygen.


rinkite

Named in 1884 by Johannes Theodor Lorenzen in honour of Henrik Johannes Rink (1819-1893), Director of the Royal Greenland Board of Trade at the time.
Rink + -ite
In 2016, the IMA renamed rinkite to rinkite-(Ce), as opposed to rinkite-(Y).

(mineralogy) A monoclinic-sphenoidal mineral containing calcium, cerium, fluorine, niobium, oxygen, silicon, sodium, and titanium.


ruthenarsenite

(mineralogy) An orthorhombic-dipyramidal mineral containing arsenic, nickel, and ruthenium.


sainfeldite

(mineralogy) A monoclinic-prismatic mineral containing arsenic, calcium, hydrogen, and oxygen.


sampleite

(mineralogy) An orthorhombic-dipyramidal mineral containing calcium, chlorine, copper, hydrogen, magnesium, oxygen, phosphorus, potassium, and sodium.


rouvilleite

(mineralogy) A monoclinic mineral containing calcium, carbon, fluorine, oxygen, and sodium.


riversideite

Named after its discovery locality: Crestmore quarries, Riverside Co., California, USA
Riverside + -ite

(mineralogy) An orthorhombic-disphenoidal white mineral containing calcium, hydrogen, oxygen, and silicon.


sabelliite

(mineralogy) A trigonal-rhombohedral emerald green mineral containing antimony, arsenic, copper, hydrogen, oxygen, and zinc.


saddlebackite

(mineralogy) A hexagonal grayish white mineral containing bismuth, lead, sulfur, and tellurium.


sacrofanite

After the Sacrafano volcano, in Italy, + -ite.

(mineralogy) A hexagonal-dihexagonal dipyramidal colorless mineral containing aluminum, calcium, carbon, chlorine, hydrogen, oxygen, potassium, silicon, sodium, and sulfur.


sabugalite

Named for type locality Sabugal (Portugal) + -ite.

(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing aluminum, hydrogen, oxygen, phosphorus, and uranium.


santanaite

(mineralogy) A hexagonal-trapezohedral straw yellow mineral containing chromium, lead, and oxygen.


samfowlerite

(mineralogy) A monoclinic-prismatic mineral containing beryllium, calcium, fluorine, hydrogen, manganese, oxygen, silicon, and zinc.


salzburgite

(mineralogy) An orthorhombic-pyramidal light gray mineral containing bismuth, copper, iron, lead, and sulfur.


roeblingite

Named in 1897 by Samuel Lewis Penfield and Harry Ward Foote in honour of Colonel Washington A. Roebling (1837-1926), engineer, founder of the Mineralogical Society of America, builder of the Brooklyn Bridge and avid mineral collector.
Roebling + -ite

(mineralogy) A monoclinic-prismatic mineral containing calcium, hydrogen, lead, oxygen, silicon, and sulfur.


monteponite

(mineralogy) An isometric-hexoctahedral black mineral containing cadmium and oxygen.


sanjuanite

(mineralogy) A triclinic white mineral containing aluminum, hydrogen, oxygen, phosphorus, and sulfur.


sanmartinite

(mineralogy) A monoclinic-prismatic mineral containing iron, oxygen, tungsten, and zinc.


schallerite

(mineralogy) A trigonal-ditrigonal pyramidal mineral containing arsenic, hydrogen, manganese, oxygen, and silicon.


santaclaraite

(mineralogy) A triclinic-pinacoidal mineral containing calcium, hydrogen, manganese, oxygen, and silicon.


sarmientite

(mineralogy) A monoclinic-prismatic mineral containing arsenic, hydrogen, iron, oxygen, and sulfur.


ruarsite

(mineralogy) A monoclinic-prismatic grayish white mineral containing arsenic, ruthenium, and sulfur.


rouxelite

Named after French chemist Jean Rouxel (1935–1998), + -ite.

(mineralogy) A monoclinic-prismatic black mineral containing antimony, copper, lead, mercury, oxygen, and sulfur.


schachnerite

(mineralogy) A hexagonal-dihexagonal dipyramidal silver gray mineral containing mercury and silver.


santafeite

(mineralogy) An orthorhombic-disphenoidal black mineral containing aluminum, arsenic, calcium, hydrogen, iron, magnesium, manganese, oxygen, sodium, strontium, and vanadium.


sayrite

(mineralogy) A monoclinic-prismatic mineral containing hydrogen, lead, oxygen, and uranium.


sakhaite

(mineralogy) An isometric-gyroidal mineral containing boron, calcium, carbon, hydrogen, magnesium, and oxygen.


pseudomalachite

en-noun

pseudomalachite (countable and uncountable, plural pseudomalachites)

(mineralogy) A mineral containing copper, hydrogen, oxygen, and phosphorus.

pseudomalakiitti

a mineral containing copper, hydrogen, oxygen, and phosphorus


paralaurionite

(mineralogy) A monoclinic-prismatic mineral containing chlorine, hydrogen, lead, and oxygen.


sasaite

(mineralogy) An orthorhombic white mineral containing aluminum, hydrogen, iron, oxygen, phosphorus, and sulfur.


sartorite

(mineralogy) A monoclinic-prismatic dear lead gray mineral containing antimony, arsenic, lead, sulfur, and thallium.


roubaultite

(mineralogy) A triclinic-pinacoidal mineral containing carbon, copper, hydrogen, oxygen, and uranium.


schapbachite

(mineralogy) An isometric-hexoctahedral grayish black mineral containing bismuth, lead, silver, and sulfur.


schirmerite

(mineralogy) An orthorhombic-dipyramidal white mineral containing bismuth, lead, silver, and sulfur.


schlemaite

(mineralogy) A monoclinic-prismatic mineral containing bismuth, copper, lead, selenium, and silver.


schafarzikite

(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing antimony, iron, and oxygen.


schairerite

(mineralogy) A trigonal-ditrigonal pyramidal colorless mineral containing chlorine, fluorine, oxygen, sodium, and sulfur.


schaurteite

(mineralogy) A hexagonal-ditrigonal dipyramidal silky white mineral containing calcium, germanium, hydrogen, oxygen, and sulfur.


satimolite

Named for type locality Satimola salt dome in Kazakhstan, + -ite.

(mineralogy) An orthorhombic chalky white mineral containing aluminum, boron, chlorine, hydrogen, oxygen, potassium, and sodium.


scainiite

(mineralogy) A monoclinic-prismatic bluish black mineral containing antimony, lead, oxygen, and sulfur.


scandiobabingtonite

(mineralogy) A triclinic-pinacoidal gray mineral containing calcium, hydrogen, iron, manganese, oxygen, scandium, and silicon.


schmiederite

(mineralogy) A monoclinic-prismatic blue mineral containing copper, hydrogen, lead, oxygen, and selenium.


schoonerite

(mineralogy) An orthorhombic-dipyramidal mineral containing hydrogen, iron, manganese, oxygen, phosphorus, and zinc.


schmitterite

(mineralogy) An orthorhombic-dipyramidal mineral containing oxygen, tellurium, and uranium.


schumacherite

(mineralogy) A triclinic-pinacoidal mineral containing arsenic, bismuth, hydrogen, oxygen, phosphorus, and vanadium.


scacchite

(mineralogy) A trigonal-hexagonal scalenohedral mineral containing chlorine and manganese.


rutheniridosmine

rutheniridosmine (usually uncountable, plural rutheniridosmines)

(mineralogy) A hexagonal-dihexagonal dipyramidal white mineral containing iridium, osmium, and ruthenium.


scawtite

scawtite (countable and uncountable, plural scawtites)

(mineralogy) A monoclinic-prismatic colorless mineral containing calcium, carbon, hydrogen, oxygen, and silicon.


schieffelinite

(mineralogy) An orthorhombic-dipyramidal mineral containing hydrogen, lead, oxygen, sulfur, and tellurium.


schulenbergite

(mineralogy) A hexagonal mineral containing carbon, copper, hydrogen, oxygen, sulfur, and zinc.


schiavinatoite

(mineralogy) A tetragonal-ditetragonal dipyramidal grayish pink mineral containing boron, niobium, oxygen, and tantalum.


sederholmite

(mineralogy) A hexagonal-dihexagonal dipyramidal mineral containing nickel and selenium.


raspite

Named after Mr. Charles Rasp (1846-1907), a German-Australian prospector and the discoverer of the Broken Hill deposit, where raspite was first found
Rasp + -ite

(mineralogy) A monoclinic-prismatic mineral containing lead, oxygen, and tungsten.


schultenite

(mineralogy) A monoclinic-prismatic mineral containing arsenic, hydrogen, lead, and oxygen.


schoenfliesite

From Schoenflies + -ite, after Arthur Moritz Schoenflies (1853-1928), professor of mathematics at the University of Frankfurt.

(mineralogy) An isometric-diploidal reddish brown mineral containing hydrogen, magnesium, oxygen, and tin.


scrutinyite

(mineralogy) An orthorhombic-dipyramidal dark reddish brown mineral containing lead and oxygen.


schuetteite

(mineralogy) A trigonal-trapezohedral mineral containing mercury, oxygen, and sulfur.


serrabrancaite

(mineralogy) A monoclinic-prismatic mineral containing hydrogen, manganese, oxygen, and phosphorus.


scotlandite

(mineralogy) A monoclinic-prismatic mineral containing lead, oxygen, and sulfur.


rossite

(mineralogy) A triclinic-pinacoidal yellow mineral containing calcium, hydrogen, oxygen, and vanadium.


seidozerite

(mineralogy) A monoclinic-prismatic mineral containing aluminum, calcium, fluorine, iron, magnesium, manganese, oxygen, silicon, sodium, titanium, and zirconium.


serpierite

(mineralogy) A monoclinic-prismatic sky blue mineral containing calcium, copper, hydrogen, oxygen, sulfur, and zinc.


schwartzembergite

(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing chlorine, iodine, lead, and oxygen.


selenostephanite

(mineralogy) An orthorhombic-disphenoidal lead gray mineral containing antimony, selenium, silver, and sulfur.


shigaite

(mineralogy) A trigonal-rhombohedral mineral containing aluminum, hydrogen, manganese, oxygen, and sulfur.


nafertisite

(mineralogy) A monoclinic-prismatic mineral containing hydrogen, iron, oxygen, silicon, sodium, and titanium.


shadlunite

(mineralogy) An isometric-hexoctahedral bronze mineral containing cadmium, copper, iron, lead, and sulfur.


shuangfengite

After the village of Shuangfeng in China + -ite

(mineralogy) A trigonal-hexagonal scalenohedral black mineral containing iridium and tellurium.


senaite

(mineralogy) A trigonal-rhombohedral black mineral containing iron, lead, manganese, oxygen, and titanium.


shannonite

(mineralogy) An orthorhombic-disphenoidal white mineral containing carbon, lead, and oxygen.


semseyite

semseyite (countable and uncountable, plural semseyites)

(mineralogy) A monoclinic-prismatic mineral containing antimony, lead, and sulfur.


schertelite

Named after German professor of mineralogy Arnulf Schertel (1841–1902), + -ite.

named-after

(mineralogy) An orthorhombic-dipyramidal colorless mineral containing hydrogen, magnesium, nitrogen, oxygen, and phosphorus.


shakhovite

(mineralogy) A monoclinic-domatic mineral containing antimony, hydrogen, mercury, and oxygen.


sergeevite

(mineralogy) A trigonal-trapezohedral white mineral containing calcium, carbon, hydrogen, magnesium, and oxygen.


shabynite

(mineralogy) A monoclinic snow white mineral containing boron, chlorine, hydrogen, magnesium, and oxygen.


pecoraite

(mineralogy) A monoclinic-prismatic dark green mineral containing hydrogen, nickel, oxygen, and silicon.


shandite

(mineralogy) A trigonal-hexagonal scalenohedral brass yellow mineral containing lead, nickel, and sulfur.


murmanite

(mineralogy) A triclinic-pedial mineral containing hydrogen, niobium, oxygen, silicon, sodium, and titanium.


sidpietersite

(mineralogy) A triclinic-pinacoidal mineral containing hydrogen, lead, oxygen, and sulfur.


sharpite

(mineralogy) An orthorhombic mineral containing calcium, carbon, hydrogen, oxygen, and uranium.


shafranovskite

(mineralogy) A trigonal-ditrigonal pyramidal mineral containing aluminum, calcium, hydrogen, iron, magnesium, manganese, oxygen, potassium, silicon, and sodium.


satterlyite

From Satterly + -ite, after Canadian geologist Dr. Jack Satterly.

Satterlyite is a rare hydroxyl-bearing ferrous phosphate with the originally proposed simplified formula (Fe²⁺,Mg)₂(PO₄)OH.

2002, Uwe Kolitsch and Michael Andrut and Gerald Giester, Satterlyite, (Fe,Mg)₁₂(PO₃OH)(PO₄)₅(OH,O)₆: crystal structure and infrared absorption spectra, in "European Journal of Mineralogy", volume 14, issue 1

In the optical spectrum of satterlyite, eight bands are observed and all are attributed to different transitions arising from ferric and ferrous ions.

2003, A.V. Chandrasekhar and M. Venkata Ramanaiah and B.J. Reddy and Y.P. Reddy and P.S. Rao and R.V.S.S.N. Ravikumar, Optical and EPR studies of iron bearing phosphate minerals: satterlyite and gormanite from Yukon Territory, Canada, in "Spectrochimica Acta Part A", volume 59, issue 9

(mineralogy) A trigonal-ditrigonal pyramidal mineral containing hydrogen, iron, magnesium, oxygen, and phosphorus.


scholzite

From Scholz + -ite, after German mineral collector Adolph Scholz (1894–1950).

(mineralogy) An orthorhombic-dipyramidal mineral containing calcium, hydrogen, oxygen, phosphorus, and zinc.


shirokshinite

(mineralogy) A monoclinic-prismatic mineral containing fluorine, magnesium, oxygen, potassium, silicon, and sodium.


prosperite

(mineralogy) A monoclinic-prismatic mineral containing arsenic, calcium, hydrogen, oxygen, and zinc.


schlossmacherite

(mineralogy) A trigonal-hexagonal scalenohedral mineral containing aluminum, arsenic, calcium, hydrogen, oxygen, and sulfur.


schlegelite

Named after German mineral collector Fritz Schlegel who found the mineral, + -ite.

(mineralogy) An orthorhombic-dipyramidal yellow mineral containing arsenic, bismuth, calcium, lead, molybdenum, oxygen, phosphorus, and vanadium.


shubnikovite

(mineralogy) An orthorhombic light blue mineral containing arsenic, calcium, chlorine, copper, hydrogen, and oxygen.


shibkovite

(mineralogy) A hexagonal-dihexagonal dipyramidal mineral containing calcium, manganese, oxygen, potassium, silicon, sodium, and zinc.


sicklerite

(mineralogy) An orthorhombic-dipyramidal mineral containing iron, lithium, manganese, oxygen, and phosphorus.


sengierite

(mineralogy) A monoclinic-prismatic mineral containing copper, hydrogen, oxygen, uranium, and vanadium.


sheldrickite

(mineralogy) A trigonal-pyramidal mineral containing calcium, carbon, fluorine, hydrogen, oxygen, and sodium.


schubnelite

Named after French mineralogist Henri-Jean Schubnel (1930–), + -ite.

(mineralogy) A triclinic-pinacoidal mineral containing hydrogen, iron, oxygen, and vanadium.


sidorenkite

After Alexander V. Sidorenko, Russian mineralogist, + -ite

(mineralogy) A monoclinic-prismatic light pink mineral containing carbon, manganese, oxygen, phosphorus, and sodium.


sicherite

(mineralogy) An orthorhombic-dipyramidal dark gray mineral containing antimony, arsenic, silver, sulfur, and thallium.


sedovite

After Georgy Sedov, Russian explorer, + -ite

(mineralogy) An orthorhombic mineral containing molybdenum, oxygen, and uranium.


silinaite

(mineralogy) A monoclinic-prismatic mineral containing hydrogen, lithium, oxygen, silicon, and sodium.


silhydrite

(mineralogy) An orthorhombic white mineral containing hydrogen, oxygen, and silicon.


sherwoodite

/ˈʃɜːwʊdaɪt/

(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing aluminum, calcium, hydrogen, oxygen, and vanadium.


simonite

Simonite (TlHgAs₃S₆), found in Allchar, Macedonia, Yugoslavia, named in 1982 for Simon Engel, son of Peter Engel (b. 1942), a Swiss crystallographer, + -ite

(mineralogy) A monoclinic-prismatic red mineral containing arsenic, mercury, sulphur, and thallium.


sigloite

(mineralogy) A triclinic-pinacoidal mineral containing aluminum, hydrogen, iron, oxygen, and phosphorus.


sinkankasite

(mineralogy) A triclinic-pinacoidal mineral containing aluminum, hydrogen, manganese, oxygen, and phosphorus.


sewardite

(mineralogy) An orthorhombic-dipyramidal mineral containing arsenic, calcium, hydrogen, iron, oxygen, and zinc.


scarbroite

(mineralogy) A triclinic white mineral that is a hydrous carbonate of aluminium, Al₅CO₃)(OH)₁₃ · 5H₂O.


rooseveltite

From Roosevelt + -ite. Named after American politician Franklin D. Roosevelt (1882–1945).

(mineralogy) A monoclinic-prismatic mineral containing arsenic, bismuth, and oxygen.


shuiskite

(mineralogy) A monoclinic-prismatic dark brown mineral containing aluminum, calcium, chromium, hydrogen, iron, magnesium, oxygen, and silicon.


sitinakite

(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing hydrogen, niobium, oxygen, potassium, silicon, sodium, and titanium.


simferite

(mineralogy) An orthorhombic dark red mineral containing iron, lithium, magnesium, manganese, oxygen, and phosphorus.


sibirskite

(mineralogy) A monoclinic-prismatic mineral containing boron, calcium, hydrogen, and oxygen.


mopungite

(mineralogy) A tetragonal-dipyramidal mineral containing antimony, hydrogen, oxygen, and sodium.


sinoite

(mineralogy) An orthorhombic-pyramidal mineral containing nitrogen, oxygen, and silicon.


sieleckiite

(mineralogy) A triclinic mineral containing aluminum, copper, hydrogen, oxygen, and phosphorus.


simplotite

(mineralogy) A monoclinic-prismatic mineral containing calcium, hydrogen, oxygen, and vanadium.


skippenite

(mineralogy) A trigonal-hexagonal scalenohedral steel gray mineral containing bismuth, selenium, sulfur, and tellurium.


sinnerite

(mineralogy) A triclinic-pedial steel gray mineral containing arsenic, copper, and sulfur.


skinnerite

(mineralogy) A monoclinic-prismatic silver gray mineral containing antimony, copper, and sulfur.


sorosite

(mineralogy) A hexagonal-dihexagonal dipyramidal pinkish tin white mineral containing antimony, copper, and tin.


slawsonite

(mineralogy) A monoclinic-prismatic mineral containing aluminum, calcium, oxygen, silicon, and strontium.


smythite

(mineralogy) A trigonal-hexagonal scalenohedral pinkish cream mineral containing iron, nickel, and sulfur.


sobolevite

(mineralogy) A triclinic-pedial brown mineral containing calcium, fluorine, iron, magnesium, manganese, niobium, oxygen, phosphorus, silicon, sodium, and titanium.


simmonsite

(mineralogy) A monoclinic-prismatic pale buff cream mineral containing aluminum, fluorine, lithium, and sodium.


soddyite

(mineralogy) An orthorhombic-dipyramidal mineral containing hydrogen, oxygen, silicon, and uranium.


spadaite

(mineralogy) An orthorhombic mineral containing hydrogen, magnesium, oxygen, and silicon.


sobolevskite

(mineralogy) A hexagonal-dihexagonal dipyramidal steel gray mineral containing bismuth and palladium.


sulphohalite

For its composition of sulphur and halogens.

(mineralogy) An isometric-hexoctahedral mineral containing chlorine, fluorine, oxygen, sodium, and sulfur.


spiroffite

(mineralogy) A monoclinic-prismatic mineral containing manganese, oxygen, tellurium, and zinc.


suessite

(mineralogy) An isometric-hexoctahedral gray white mineral containing iron, nickel, and silicon.


smolianinovite

(mineralogy) An orthorhombic mineral containing aluminum, arsenic, calcium, cobalt, hydrogen, iron, magnesium, nickel, and oxygen.


tatyanaite

(mineralogy) An orthorhombic pink mineral containing copper, palladium, platinum, and tin.


stevensite

Stevens + -ite. Named for Edwin Augustus Stevens.

(mineralogy) A monoclinic mineral containing calcium, hydrogen, iron, magnesium, oxygen, silicon, and sodium.


stenonite

(mineralogy) A monoclinic-prismatic mineral containing aluminum, barium, carbon, fluorine, oxygen, sodium, and strontium.


sidwillite

Named after American mineralogist Sidney Arthur Williams (1933–2006), who played a prolific part in western United States mineralogy, + -ite.

(mineralogy) A monoclinic-prismatic mineral containing hydrogen, molybdenum, and oxygen.


thadeuite

(mineralogy) An orthorhombic-disphenoidal yellow orange mineral containing calcium, fluorine, hydrogen, iron, magnesium, manganese, oxygen, and phosphorus.


sternbergite

From Sternberg + -ite, after Count Kaspar Sternberg of Prague.

(mineralogy) An orthorhombic-dipyramidal light brown mineral containing iron, silver, and sulfur.


suolunite

(mineralogy) An orthorhombic-pyramidal mineral containing calcium, hydrogen, oxygen, and silicon.


smirnite

(mineralogy) An orthorhombic-pyramidal mineral containing bismuth, oxygen, and tellurium.


schoderite

(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, oxygen, phosphorus, and vanadium.


taranakite

Taranaki + -ite, from its original discovery on the Sugar Loaf Islands, off the coast of Taranaki, New Zealand.

(mineralogy) A trigonal-hexagonal scalenohedral mineral containing aluminum, hydrogen, oxygen, phosphorus, and potassium.


sundiusite

(mineralogy) A monoclinic sulfate chloride mineral with the chemical formula Pb₁₀(SO₄)O₈Cl₂.


terskite

(mineralogy) An orthorhombic-pyramidal mineral containing hydrogen, manganese, oxygen, silicon, sodium, and zirconium.


segnitite

(mineralogy) A trigonal-hexagonal scalenohedral mineral containing arsenic, hydrogen, iron, lead, and oxygen.


shirozulite

Named after Japanese professor at University of Kyushu Haruo Shirozu, + -lite.

(mineralogy) A monoclinic-prismatic dark reddish brown mineral containing aluminum, barium, fluorine, hydrogen, iron, magnesium, manganese, oxygen, potassium, silicon, and titanium.


simpsonite

(mineralogy) A trigonal-pyramidal mineral containing aluminum, hydrogen, niobium, oxygen, and tantalum.


taramite

(mineralogy) A monoclinic-prismatic mineral containing aluminum, calcium, hydrogen, iron, oxygen, silicon, and sodium.


stronalsite

(mineralogy) An orthorhombic-pyramidal white mineral containing aluminum, oxygen, silicon, sodium, and strontium.


telluronevskite

(mineralogy) A trigonal-hexagonal scalenohedral steel gray mineral containing bismuth, lead, selenium, sulfur, and tellurium.


tatarskite

(mineralogy) An orthorhombic sulfate chloride mineral with the chemical formula Ca₆Mg₂(SO₄)₂(CO₃)₂(OH)₄Cl₄ · 7H₂O.


modderite

(mineralogy) An orthorhombic-dipyramidal mineral containing arsenic, cobalt, and iron.


thalcusite

(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing copper, iron, sulfur, and thallium.


tarkianite

(mineralogy) An isometric-hextetrahedral black mineral containing copper, iron, molybdenum, rhenium, and sulfur.


tamarugite

From Tamarugal + -ite, after Tamarugal Province in Chile.

(mineralogy) A monoclinic-prismatic colorless mineral containing aluminum, hydrogen, oxygen, sodium, and sulfur.


tedhadleyite

(mineralogy) A triclinic-pinacoidal bluish white mineral containing bromine, chlorine, iodine, mercury, and oxygen.


theisite

(mineralogy) An orthorhombic mineral containing antimony, arsenic, copper, hydrogen, oxygen, and zinc.


thalfenisite

(mineralogy) An isometric-hexoctahedral mineral containing chlorine, copper, iron, nickel, sulfur, and thallium.


tellurantimony

(mineralogy) A trigonal-hexagonal scalenohedral silver white mineral containing antimony and tellurium.


teineite

(mineralogy) An orthorhombic-disphenoidal mineral containing copper, hydrogen, oxygen, and tellurium.


tisinalite

(mineralogy) A trigonal-hexagonal scalenohedral yellow orange mineral containing calcium, hydrogen, iron, manganese, oxygen, silicon, sodium, and titanium.


skaergaardite

Named after the Skaergaard intrusion in Greenland, possibly from Danish skærgård (or the older spelling Skærgaard), see “skærgård” in Den Danske Ordbog.
? + -ite

(mineralogy) An isometric-hexoctahedral mineral containing copper, gold, iron, lead, palladium, platinum, tellurium, tin, and zinc.


tetrawickmanite

(mineralogy) A tetragonal-dipyramidal mineral containing hydrogen, manganese, oxygen, and tin.


selwynite

From Selwyn + -ite, after A. R. C. Selwyn.

(mineralogy) A tetragonal-ditetragonal dipyramidal deep purplish blue mineral containing aluminum, beryllium, hydrogen, oxygen, phosphorus, potassium, sodium, and zirconium.


tarbuttite

(mineralogy) A triclinic-pinacoidal mineral containing hydrogen, oxygen, phosphorus, and zinc.


thometzekite

Named after Wilhelm Thometzek, Director of Mining at Tsumcor Mine, where the mineral was discovered.
Thometzek + -ite

(mineralogy) A monoclinic-prismatic mineral containing arsenic, copper, hydrogen, lead, oxygen, and zinc.


tochilinite

(mineralogy) A monoclinic bronze black mineral containing hydrogen, iron, magnesium, oxygen, and sulfur.


ternovite

(mineralogy) A monoclinic white mineral containing calcium, hydrogen, magnesium, niobium, and oxygen.


tintinaite

(mineralogy) An orthorhombic-dipyramidal lead gray mineral containing antimony, bismuth, copper, lead, silver, and sulfur.


tinzenite

Named after its discovery locality: Alpe Parsettens, near Tinzen, Grisons, Switzerland.
Tinzen + -ite

(mineralogy) A triclinic-pinacoidal mineral containing aluminum, boron, calcium, hydrogen, iron, manganese, oxygen, and silicon.


tinticite

(mineralogy) A triclinic-pinacoidal mineral containing hydrogen, iron, oxygen, phosphorus, and vanadium.


sinhalite

Named for the type locality in Sanskrit सिंहल (siṃhala, “Sri Lanka”) + -ite.

(mineralogy) An orthorhombic-dipyramidal mineral containing aluminum, boron, magnesium, and oxygen.


silvialite

Named after the daughter of Austrian mineralogist Gustav Tschermak von Seysenegg (1836-1927), Silvia Hillebrand, + -lite.

named-after

(mineralogy) A tetragonal-dipyramidal mineral containing aluminum, calcium, carbon, oxygen, silicon, sodium, and sulfur.


trattnerite

(mineralogy) A hexagonal-dihexagonal dipyramidal mineral containing aluminum, iron, magnesium, manganese, oxygen, potassium, silicon, sodium, titanium, and zinc.


tiragalloite

(mineralogy) A monoclinic-prismatic orange mineral containing arsenic, hydrogen, manganese, oxygen, and silicon.


toyohaite

(mineralogy) A tetragonal-dipyramidal gray mineral containing iron, silver, sulfur, and tin.


tounkite

(mineralogy) A hexagonal-trapezohedral mineral with the chemical formula (Na,Ca,K)₈(Al₆Si₆O₂₄)(SO₄)₂Cl · H₂O.


tinaksite

(mineralogy) A triclinic mineral containing calcium, hydrogen, iron, manganese, oxygen, potassium, silicon, sodium, and titanium.


traskite

(mineralogy) A hexagonal-ditrigonal dipyramidal brownish red mineral containing aluminum, barium, calcium, chlorine, fluorine, hydrogen, iron, magnesium, manganese, oxygen, silicon, strontium, and titanium.


tolovkite

(mineralogy) An isometric-tetartoidal steel gray mineral containing antimony, iridium, and sulfur.


tivanite

(mineralogy) A monoclinic-prismatic black mineral containing hydrogen, oxygen, titanium, and vanadium.


rosiaite

(mineralogy) A trigonal-hexagonal scalenohedral mineral containing antimony, lead, and oxygen.


tunellite

(mineralogy) A monoclinic-prismatic colorless mineral containing boron, hydrogen, oxygen, and strontium.


parwelite

Named after Swedish chemist Dr. Alexander Parwel (1906–1978), who analyzed the mineral, + -ite.

(mineralogy) A monoclinic-domatic yellow brown mineral containing antimony, arsenic, calcium, magnesium, manganese, oxygen, and silicon.


testibiopalladite

(mineralogy) An isometric-tetartoidal mineral containing antimony, palladium, and tellurium.


theophrastite

The name is for Theophrastus, the first Greek mineralogist, 373/372-288/287 B.C., + -ite. The new mineral and the name were approved by the Commission on New Minerals and Mineral Names.

(mineralogy) A trigonal-hexagonal scalenohedral emerald green mineral containing hydrogen, nickel, and oxygen.


tuhualite

(mineralogy) An orthorhombic-dipyramidal mineral containing iron, oxygen, potassium, silicon, and sodium.


taramellite

Named after Italian professor of geology at University of Pavia, Torquato Taramelli (1845–1922), + -ite.

named-after

(mineralogy) An orthorhombic-dipyramidal mineral containing barium, boron, chlorine, iron, lead, magnesium, oxygen, silicon, and titanium.


sklodowskite

From Polish Skłodowska (“maiden name of Marie Curie”) + -ite.

uder

(mineralogy) A monoclinic-prismatic mineral containing hydrogen, magnesium, oxygen, silicon, and uranium.


tunisite

(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing aluminum, calcium, carbon, chlorine, hydrogen, oxygen, and sodium.


tienshanite

(mineralogy) A hexagonal-dipyramidal pistachio green mineral containing barium, boron, manganese, oxygen, silicon, sodium, and titanium.


tainiolite

From Ancient Greek ταινία (tainía, “ribbon”) and λίθος (líthos, “stone”), because of its tabular crystal habit.

(mineralogy) A monoclinic-prismatic mineral containing fluorine, lithium, magnesium, oxygen, potassium, and silicon.


tongbaite

(mineralogy) An orthorhombic-dipyramidal light brownish yellow mineral containing carbon and chromium.


peterbaylissite

(mineralogy) An orthorhombic-dipyramidal mineral containing carbon, hydrogen, mercury, and oxygen.


torreyite

From Torrey + -ite after John Torrey (1796-1873), an American naturalist who made an early study of minerals in Franklin, New Jersey, USA.

(mineralogy) A monoclinic-prismatic bluish white mineral containing hydrogen, magnesium, manganese, oxygen, sulfur, and zinc.


tiettaite

(mineralogy) An orthorhombic mineral containing hydrogen, iron, oxygen, potassium, silicon, sodium, and titanium.


tobermorite

(mineralogy) An orthorhombic-disphenoidal mineral containing aluminum, calcium, hydrogen, oxygen, and silicon.


shkatulkalite

Named after the material it was found in, shkatulka pegmatite, from Russia, derived from Russian шкатулка (škatulka, “small box, jewelry box”); + -lite.

(mineralogy) A monoclinic mineral containing calcium, fluorine, hydrogen, manganese, niobium, oxygen, silicon, and sodium.


tomichite

(mineralogy) A monoclinic-prismatic black mineral containing arsenic, hydrogen, iron, oxygen, titanium, and vanadium.


rorisite

(mineralogy) A tetragonal-ditetragonal dipyramidal colorless mineral containing calcium, chlorine, fluorine, and magnesium.


trikalsilite

(mineralogy) A hexagonal-pyramidal colorless mineral containing aluminum, oxygen, potassium, silicon, and sodium.


rosemaryite

(mineralogy) A monoclinic-prismatic mineral containing aluminum, calcium, iron, magnesium, manganese, oxygen, phosphorus, and sodium.


tosudite

Named for Toshio Sudo, a professor of mineralogy, with suffix -ite.

(mineralogy) An orthorhombic mineral containing aluminum, hydrogen, magnesium, oxygen, silicon, and sodium.


triangulite

(mineralogy) A triclinic mineral containing aluminum, hydrogen, oxygen, phosphorus, and uranium.


pautovite

(mineralogy) An orthorhombic-dipyramidal dark steel gray mineral containing cesium, iron, potassium, rubidium, sulfur, and thallium.


medjidite

(obsolete, mineralogy) A mineral that is a double sulfate of lime and uranium.


zirsilite

(mineralogy) A brittle cream-coloured complex mineral.


samuelsonite

(mineralogy) A monoclinic-prismatic colorless mineral containing aluminum, barium, calcium, hydrogen, iron, manganese, oxygen, phosphorus, sodium, and strontium.


putzite

(mineralogy) An isometric-hextetrahedral iron black mineral containing copper, germanium, silver, and sulfur.


talmessite

(mineralogy) A triclinic-pinacoidal mineral containing arsenic, calcium, hydrogen, magnesium, and oxygen.


salesite

(mineralogy) An orthorhombic-dipyramidal mineral containing copper, hydrogen, iodine, and oxygen.


ellestadite

en-noun

ellestadite (usually uncountable, plural ellestadites)

From Ellestad + -ite, after Reuben B. Ellestad, an American chemist.

(mineralogy) A mineral found in metamorphosed limestone.


trimerite

(mineralogy) A monoclinic-prismatic mineral containing beryllium, calcium, manganese, oxygen, and silicon.


rosenhahnite

(mineralogy) A triclinic-pinacoidal mineral containing calcium, carbon, hydrogen, oxygen, and silicon.


sarabauite

(mineralogy) A monoclinic-prismatic mineral containing antimony, calcium, oxygen, and sulfur.


hilairite

(mineralogy) A trigonal-hexagonal scalenohedral light brown mineral containing hydrogen, oxygen, silicon, sodium, and zirconium.


sonoraite

(mineralogy) A monoclinic-prismatic yellow green mineral containing hydrogen, iron, oxygen, and tellurium.


thorikosite

(mineralogy) A tetragonal-ditetragonal dipyramidal light yellow mineral containing antimony, arsenic, chlorine, hydrogen, lead, and oxygen.


slavikite

(mineralogy) A trigonal-rhombohedral yellowish green mineral containing hydrogen, iron, magnesium, oxygen, sodium, and sulfur.


thornasite

thorium + Na (“symbol for sodium”) + Si (“symbol for silicon”) + -ite

(mineralogy) A trigonal-hexagonal scalenohedral mineral containing hydrogen, oxygen, silicon, sodium, and thorium.


moncheite

(mineralogy) A trigonal-hexagonal scalenohedral steel gray mineral containing bismuth, palladium, platinum, and tellurium.


sakuraiite

From Sakurai + -ite, named after Japanese amateur mineralogist Kin-ichi Sakurai.

person

(mineralogy) An isometric mineral containing copper, indium, iron, silver, sulfur, tin, and zinc.


cabalzarite

Named by J. Brugger et al. in 2000 in honour of Walter Cabalzar (1919-2007), amateur mineralogist who discovered grischunite and geigerite.
Cabalzar + -ite

(mineralogy) A monoclinic-prismatic mineral containing aluminum, arsenic, calcium, hydrogen, iron, magnesium, manganese, and oxygen.


cadmoindite

(mineralogy) An isometric-hexoctahedral mineral containing cadmium, germanium, indium, iron, sulfur, and zinc.


calciborite

(mineralogy) An orthorhombic-dipyramidal white mineral containing boron, calcium, and oxygen.


cafarsite

(mineralogy) An isometric-diploidal mineral containing arsenic, calcium, hydrogen, iron, manganese, oxygen, and titanium.


combeite

(mineralogy) A trigonal-trapezohedral colorless mineral containing calcium, oxygen, silicon, and sodium.


cavansite

(mineralogy) An orthorhombic-dipyramidal mineral containing calcium, hydrogen, oxygen, silicon, and vanadium.


cohenite

(mineralogy) An orthorhombic-dipyramidal yellowish white mineral containing carbon, cobalt, iron, and nickel.


fabianite

(mineralogy) A monoclinic-prismatic colorless mineral containing boron, calcium, hydrogen, and oxygen.


corderoite

(mineralogy) An isometric-tetartoidal mineral containing chlorine, mercury, and sulfur.


fluorcaphite

(mineralogy) A hexagonal-pyramidal mineral containing calcium, cerium, fluorine, oxygen, phosphorus, sodium, and strontium.


carrollite

Named for type locality Carroll County, Maryland, + -ite.

(mineralogy) An isometric-hexoctahedral mineral containing cobalt, copper, nickel, and sulfur.


carletonite

(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing calcium, carbon, fluorine, hydrogen, oxygen, potassium, silicon, and sodium.


clinohumite

(mineralogy) A monoclinic-prismatic mineral composed of a mixed iron and magnesium silicate / fluoride


ferrosilite

For its composition, a silicate of iron (ferrum (“iron”)) + -ite.

(mineralogy) An orthorhombic-dipyramidal mineral containing iron, magnesium, oxygen, and silicon.


crookesite

From Crookes + -ite, named after British chemist and physicist Sir William Crookes.

(mineralogy) A tetragonal-disphenoidal mineral containing copper, selenium, silver, and thallium.


cronstedtite

Named in honor of Axel Fredrik Cronstedt + -ite.

(mineralogy) A trigonal-ditrigonal pyramidal mineral containing hydrogen, iron, oxygen, and silicon.


franckeite

(mineralogy) A triclinic-pinacoidal mineral containing antimony, iron, lead, sulfur, and tin.


cesbronite

(mineralogy) An orthorhombic-dipyramidal green mineral containing copper, hydrogen, oxygen, and tellurium.


gratonite

(mineralogy) A trigonal-ditrigonal pyramidal mineral containing arsenic, lead, and sulfur.


ferberite

en-noun

ferberite (countable and uncountable, plural ferberites)

Named after German mineralogist Moritz Rudolph Ferber + -ite.

named-after

(mineralogy) A monoclinic-prismatic black mineral containing iron, oxygen, and tungsten.


clinoclase

en-noun

clinoclase (countable and uncountable, plural clinoclases)

(mineralogy) A mineral composed of a basic copper arsenate


graftonite

(mineralogy) A monoclinic-prismatic mineral containing calcium, iron, manganese, oxygen, and phosphorus.


geigerite

(mineralogy) A triclinic-pinacoidal mineral containing arsenic, hydrogen, manganese, and oxygen.


kankite

(mineralogy) A monoclinic yellow green mineral containing arsenic, hydrogen, iron, and oxygen.


kalinite

(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, oxygen, potassium, and sulfur.


herderite

(mineralogy) A monoclinic-prismatic mineral containing beryllium, calcium, fluorine, oxygen, and phosphorus.


hellyerite

(mineralogy) A monoclinic-prismatic light blue mineral containing carbon, hydrogen, nickel, and oxygen.


lautarite

(mineralogy) A monoclinic-prismatic mineral containing calcium, iodine, and oxygen.


glucine

(mineralogy) A monoclinic mineral containing beryllium, calcium, hydrogen, oxygen, and phosphorus.


goslarite

goslarite (countable and uncountable, plural goslarites)

(mineralogy) An orthorhombic-disphenoidal mineral containing hydrogen, oxygen, sulfur, and zinc.


eosphorite

eosphorite (usually uncountable, plural eosphorites)

From Ancient Greek Ἠώς (Ēṓs, “dawn”) + -φόρος (-phóros, “bearing”) + -ite, in reference to the pink colour of the mineral.

(mineralogy) An orthorhombic-dipyramidal mineral containing aluminum, hydrogen, manganese, oxygen, and phosphorus.


kalininite

(mineralogy) An isometric-hexoctahedral black mineral containing chromium, sulfur, and zinc.


hanksite

(mineralogy) A hexagonal-dipyramidal mineral containing carbon, chlorine, oxygen, potassium, sodium, and sulfur.


karpatite

Named after Carpathian mountains + -ite ; later called carpathite

(mineralogy) A monoclinic-prismatic mineral containing carbon and hydrogen.


keilite

Named after German-American professor at University of Hawaii in Honolulu, Klaus Keil, + -ite.

named-after

(mineralogy) An isometric-hexoctahedral gray mineral containing calcium, chromium, iron, magnesium, manganese, sulfur, and zinc.


geocronite

(mineralogy) A monoclinic-prismatic pure white mineral containing antimony, arsenic, lead, and sulfur.


kinoite

(mineralogy) A monoclinic-prismatic azure blue mineral containing calcium, copper, hydrogen, oxygen, and silicon.


humite

en-noun

humite (countable and uncountable, plural humites)

(mineralogy) An orthorhombic-dipyramidal mineral containing fluorine, hydrogen, iron, magnesium, oxygen, and silicon.


hercynite

hercynite (countable and uncountable, plural hercynites)

(mineralogy) An isometric-hexoctahedral black mineral containing aluminum, iron, and oxygen.


germanite

(mineralogy) An isometric-hextetrahedral pinkish gray mineral containing copper, germanium, iron, and sulfur.


halotrichite

(mineralogy) A monoclinic-sphenoidal mineral containing aluminum, hydrogen, iron, oxygen, and sulfur.


livingstonite

(mineralogy) A monoclinic-prismatic mineral containing antimony, mercury, and sulfur.


hoelite

(mineralogy) A monoclinic-prismatic mineral containing carbon, hydrogen, and oxygen.


franklinite

franklinite (countable and uncountable, plural franklinites)

(mineralogy) An isometric-hexoctahedral mineral containing iron, manganese, oxygen, and zinc.


montebrasite

(mineralogy) A triclinic-pinacoidal mineral containing aluminum, fluorine, hydrogen, lithium, oxygen, and phosphorus.


montroydite

(mineralogy) An orthorhombic-dipyramidal mineral containing mercury and oxygen.


kremersite

(mineralogy) An orthorhombic-dipyramidal mineral containing chlorine, hydrogen, iron, nitrogen, oxygen, and potassium.


mohite

(mineralogy) A triclinic-pedial greenish gray mineral containing copper, sulfur, and tin.


legrandite

From Legrand + -ite; named after Belgian mining engineer and mineral collector Louis C.A. Legrand (1861–1920), who collected the first specimen.

named-after

(mineralogy) A monoclinic-prismatic mineral containing arsenic, hydrogen, oxygen, and zinc.


molybdite

(mineralogy) An orthorhombic-dipyramidal mineral containing molybdenum and oxygen.


molysite

(mineralogy) A trigonal-rhombohedral mineral containing chlorine and iron.


kermesite

en-noun

kermesite (usually uncountable, plural kermesites)

From kermes + -ite.
Named after the dye kermes, and named thus, owing to the grainy reddish hue that the mineral often has. The name dates from 1832.

(mineralogy) A triclinic-pinacoidal mineral containing antimony, oxygen, and sulfur.


lorandite

(mineralogy) A monoclinic-prismatic mineral containing arsenic, sulfur, and thallium.


mascagnite

From Mascagni + -ite, named after the discoverer.

(mineralogy) An orthorhombic-dipyramidal mineral containing hydrogen, nitrogen, oxygen, and sulfur; a native sulfate of ammonia, found in volcanic districts.


fornacite

From Latin fornāx, fornāc- (“furnace”) -ite, named in 1915 after Lucien Lewis Forneau (whose surname resembles French fourneau (“stove”), which, like fornāx, is ultimately from Latin furnus (“oven”)).

(mineralogy) A rare monoclinic-prismatic lead copper chromate arsenate hydroxide mineral, which is generally green to yellow and translucent to transparent, and has a Mohs hardness of 2.3, a specific gravity of 6.27, and a Strunz classification of 7.FC.10.


northupite

(mineralogy) An isometric-diploidal mineral containing carbon, chlorine, magnesium, oxygen, and sodium.


nelenite

(mineralogy) A trigonal-hexagonal scalenohedral brown mineral containing arsenic, hydrogen, iron, magnesium, manganese, oxygen, silicon, and zinc.


lorenzenite

Named after Johannes Theodor Lorenzen (1855-1884), + -ite.

(mineralogy) An orthorhombic-dipyramidal mineral containing oxygen, silicon, sodium, and titanium.


lyonsite

(mineralogy) An orthorhombic-dipyramidal black mineral containing copper, iron, oxygen, and vanadium.


linarite

From Linares + -ite, named after Linares, Jaén, Andalusia, Spain, the place it was discovered.

(mineralogy) A monoclinic-prismatic mineral containing copper, hydrogen, lead, oxygen, and sulfur.

Andalusia
Linares, Jaén
Province of Jaén (Spain)


ferroselite

For its composition of iron (ferrum (“iron”)) selenide, + -ite.

(mineralogy) An orthorhombic-dipyramidal mineral containing iron and selenium.


hopeite

(mineralogy) An orthorhombic-dipyramidal mineral containing hydrogen, oxygen, phosphorus, and zinc.


palygorskite

palygorskite (countable and uncountable, plural palygorskites)

(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, magnesium, oxygen, and silicon and a type of fuller's earth.


homilite

From homi- + -lite, with homi- being an alteration of homo-. From Ancient Greek ὁμός (homós, “same, together”) and λίθος (líthos, “stone”), because of its association with the minerals "erdmannite" and meliphanite.

uder

(mineralogy) A monoclinic-prismatic mineral containing boron, calcium, iron, magnesium, oxygen, and silicon.


nissonite

(mineralogy) A monoclinic-prismatic bluish green mineral containing copper, hydrogen, magnesium, oxygen, and phosphorus.


panethite

(mineralogy) A monoclinic-prismatic brownish yellow mineral containing calcium, iron, magnesium, manganese, oxygen, phosphorus, potassium, and sodium.


hemimorphite

en-noun

hemimorphite (countable and uncountable, plural hemimorphites)

(mineralogy) An orthorhombic-pyramidal mineral containing hydrogen, oxygen, silicon, and zinc, a hydrated zinc silicate.


partheite

(mineralogy) A monoclinic-prismatic mineral containing aluminum, calcium, hydrogen, oxygen, and silicon.


mordenite

Named for type locality Morden, Nova Scotia (Canada) + -ite.

(mineralogy) An orthorhombic-pyramidal mineral containing aluminum, calcium, hydrogen, oxygen, potassium, silicon, and sodium.


pabstite

After Adolph Pabst (an American scientist) + -ite.

(mineralogy) A hexagonal-ditrigonal dipyramidal mineral containing barium, oxygen, silicon, tin, and titanium.


nobleite

(mineralogy) A monoclinic-prismatic mineral containing boron, calcium, hydrogen, and oxygen.


robertsite

Named in 1974 by Paul Brian Moore and Jun Ito in honour of Willard "Bill" Lincoln Roberts (1923-1987), professor of mineralogy and curator of the South Dakota School of Mines mineral museum.
Roberts + -ite

(mineralogy) A monoclinic-prismatic mineral containing calcium, hydrogen, manganese, oxygen, and phosphorus.


nabesite

(mineralogy) An orthorhombic-disphenoidal mineral containing beryllium, hydrogen, oxygen, silicon, and sodium.


sabieite

(mineralogy) A trigonal-trapezohedral white mineral containing hydrogen, iron, nitrogen, oxygen, and sulfur.


rickardite

Named after Thomas Arthur Rickard (1864-1953), mining engineer and Editor of the Engineering and Mining Journal.
Rickard + -ite

(mineralogy) An orthorhombic mineral containing copper and tellurium.


rambergite

Named after Hans Ramberg (1917-1998), Professor of Mineralogy and Petrology at the University of Chicago and later the University of Uppsala, Sweden.
Ramberg + -ite

(mineralogy) A hexagonal-dihexagonal pyramidal mineral containing manganese and sulfur.


penroseite

(mineralogy) An isometric-diploidal creamy grayish white mineral containing cobalt, copper, nickel, and selenium.


natrophilite

Named with natro- and Ancient Greek φίλος (phílos, “affinity”) for its high sodium content, + -ite.

uder

(mineralogy) An orthorhombic-dipyramidal yellow mineral containing manganese, oxygen, phosphorus, and sodium.


saneroite

(mineralogy) A triclinic-pinacoidal light orange mineral containing calcium, hydrogen, iron, manganese, oxygen, silicon, sodium, and vanadium.


phosgenite

(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing carbon, chlorine, lead, and oxygen.


murdochite

Named for American mineralogist Joseph Murdoch + -ite.

(mineralogy) An isometric-hexoctahedral black mineral containing bromine, chlorine, copper, lead, and oxygen.


segelerite

(mineralogy) An orthorhombic-dipyramidal mineral containing calcium, hydrogen, iron, magnesium, oxygen, and phosphorus.


roscoelite

en-noun

roscoelite (countable and uncountable, plural roscoelites)

Named after English chemist Sir Henry Enfield Roscoe (1833–1915), + -lite.

named-after

(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, magnesium, oxygen, potassium, silicon, and vanadium.


siegenite

(mineralogy) An isometric-hexoctahedral mineral containing cobalt, nickel, and sulfur.


cervantite

From Cervantes (locality in Spain) + -ite.

(mineralogy) An orthorhombic-pyramidal mineral containing antimony and oxygen.


creedite

From Creede + -ite, after Creede, Colorado.

(mineralogy) A monoclinic-prismatic mineral containing aluminum, calcium, fluorine, hydrogen, oxygen, and sulfur.


sauconite

(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, oxygen, silicon, sodium, and zinc.


sabinaite

(mineralogy) A monoclinic-prismatic mineral containing calcium, carbon, oxygen, sodium, titanium, and zirconium.


seeligerite

(mineralogy) An orthorhombic-disphenoidal light yellow mineral containing chlorine, iodine, lead, and oxygen.


ludwigite

en-noun

ludwigite (countable and uncountable, plural ludwigites)

(mineralogy) An orthorhombic-dipyramidal mineral containing boron, iron, magnesium, and oxygen.


rutherfordine

From Rutherford + -ine, after Ernest Rutherford.

(mineralogy) An orthorhombic-dipyramidal mineral containing carbon, oxygen, and uranium.


cahnite

cahnite (countable and uncountable, plural cahnites)

(mineralogy) A tetragonal-disphenoidal mineral containing arsenic, boron, calcium, hydrogen, and oxygen.


cabrerite

(mineralogy) A form of annabergite with some of the nickel replaced by magnesium.


tarapacaite

(mineralogy) An orthorhombic-dipyramidal mineral containing chromium, oxygen, and potassium.


sabatierite

From Sabatier + -ite, named after French mineralogist Germain Sabatier.

(mineralogy) A tetragonal-ditetragonal dipyramidal blue gray mineral containing copper, selenium, and thallium.


simonellite

Named after Italian geologist Vittorio Simonelli (1860–1929), who discovered the mineral, + -ite.

named-after

(mineralogy) An orthorhombic-dipyramidal white mineral containing carbon and hydrogen.


steacyite

(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing calcium, manganese, oxygen, potassium, silicon, sodium, and thorium.


schoepite

(mineralogy) An orthorhombic-pyramidal mineral containing hydrogen, oxygen, and uranium.


lonsdaleite

en-noun

lonsdaleite (usually uncountable, plural lonsdaleites)

From Lonsdale + -ite, in honour of Irish crystallographer Kathleen Lonsdale.

(mineralogy) A hexagonal-dihexagonal dipyramidal mineral containing carbon. Also called hexagonal diamond.


teallite

Named after British geologist Dr. Jethro Justinian Harris Teall (1849–1924), + -ite.

named-after

(mineralogy) An orthorhombic-dipyramidal mineral containing lead, sulfur, and tin.


sellaite

(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing fluorine and magnesium.


scolecite

en-noun

scolecite (countable and uncountable, plural scolecites)

From Ancient Greek σκώληξ (skṓlēx, “worm”) + -ite.

(mineralogy) A monoclinic-domatic mineral containing aluminum, calcium, hydrogen, oxygen, and silicon.


stibiconite

From Ancient Greek στίβι (stíbi, “antimony”) + κόνῐς (kónis, “dust”) + -ite.

(mineralogy) An isometric-hexoctahedral mineral containing antimony, hydrogen, and oxygen.


cerolite

(mineralogy) Alternative form of kerolite


senarmontite

(mineralogy) An isometric-hexoctahedral mineral containing antimony and oxygen.


terlinguaite

(mineralogy) A monoclinic-prismatic mineral containing chlorine, mercury, and oxygen.


temagamite

(mineralogy) An orthorhombic gray mineral containing mercury, palladium, and tellurium.


teruggite

(mineralogy) A monoclinic-prismatic colorless mineral containing arsenic, boron, calcium, hydrogen, magnesium, and oxygen.


stercorite

(mineralogy) A triclinic-pinacoidal mineral containing hydrogen, nitrogen, oxygen, phosphorus, and sodium.


clinohedrite

clinohedrite (countable and uncountable, plural clinohedrites)

From Ancient Greek κλῑ́νω (klī́nō, “to incline”) + ἕδρᾱ (hédrā, “face”) + -ite, for the inclined facial character of the crystal morphology.

der

(mineralogy) A monoclinic-domatic mineral that is a mixed silicate of calcium and zinc


scorodite

en-noun

scorodite (countable and uncountable, plural scorodites)

From Ancient Greek σκόροδον (skórodon, “garlic”) + -ite.

der

(mineralogy) An orthorhombic-dipyramidal mineral containing arsenic, hydrogen, iron, and oxygen.


nitratine

en-noun

nitratine (countable and uncountable, plural nitratines)

(mineralogy) A trigonal-hexagonal scalenohedral mineral form of sodium nitrate.


tephroite

tephroite (countable and uncountable, plural tephroites)

(mineralogy) An orthorhombic-dipyramidal mineral containing manganese, oxygen, and silicon.


thaumasite

From Ancient Greek θαυμάζω (thaumázō, “to wonder”) + -ite.

der

(mineralogy) A hexagonal-dipyramidal mineral containing calcium, carbon, hydrogen, oxygen, silicon, and sulfur.


tausonite

(mineralogy) An isometric-hexoctahedral mineral containing oxygen, strontium, and titanium.


paulingite

From Pauling + -ite after chemist Linus Carl Pauling (1901–1994).

(mineralogy) A rare zeolite mineral found in vesicles in alluvial basaltic rocks.


uricite

(mineralogy) A monoclinic-prismatic mineral containing carbon, hydrogen, nitrogen, and oxygen.


triphylite

(mineralogy) An orthorhombic-dipyramidal mineral containing iron, lithium, oxygen, and phosphorus.


phenakite

en-noun

phenakite (countable and uncountable, plural phenakites)

Ancient Greek φέναξ (phénax, a deceiver) (because of its resemblance to quartz). + -ite

(mineralogy) A trigonal-rhombohedral mineral containing beryllium, oxygen, and silicon.


sperrylite

sperrylite (countable and uncountable, plural sperrylites)

Named after American chemist Francis Louis Sperry (1861–1906), + -lite.

named-after

(mineralogy) An isometric-diploidal tin white mineral containing arsenic and platinum.


seamanite

(mineralogy) An orthorhombic-dipyramidal mineral containing boron, hydrogen, manganese, oxygen, and phosphorus.


parisite

(mineralogy) A rare mineral consisting of cerium, lanthanum and calcium fluorocarbonate.


stolzite

(mineralogy) A tetragonal-dipyramidal mineral containing lead, oxygen, and tungsten.


stilleite

(mineralogy) An isometric-hextetrahedral gray mineral containing selenium and zinc.


thenardite

(mineralogy) An orthorhombic-dipyramidal mineral containing oxygen, sodium, and sulfur.


stromeyerite

From German Stromeyerit < Friedrich Stromeyer on Wikipedia.Wikipedia

pedia

(mineralogy) An orthorhombic-dipyramidal mineral containing copper, silver, and sulfur.


renierite

(mineralogy) A tetragonal-scalenohedral orange brown mineral containing arsenic, copper, germanium, iron, sulfur, and zinc.


thomsenolite

After Hans Thomsen, Danish physical chemist, + -ite

(mineralogy) A monoclinic-prismatic mineral containing aluminum, calcium, fluorine, hydrogen, oxygen, and sodium.


seligmannite

(mineralogy) An orthorhombic-dipyramidal rose white mineral containing arsenic, copper, lead, and sulfur.


tiemannite

en-noun

tiemannite (countable and uncountable, plural tiemannites)

From Tiemann + -ite, after Johann Carl Wilhelm Tiemann (1848–1899).

(mineralogy) An isometric-hextetrahedral grayish white mineral containing mercury and selenium; mercury selenide, chemical formula HgSe.


nekrasovite

(mineralogy) An isometric-hextetrahedral reddish brown mineral containing antimony, arsenic, copper, iron, sulfur, tin, vanadium, and zinc.


rosasite

From Rosas + -ite, after the Rosas mine in Sardinia, Italy.

(mineralogy) A monoclinic-prismatic mineral containing carbon, copper, hydrogen, oxygen, and zinc.


papagoite

(mineralogy) A monoclinic-prismatic light blue mineral containing aluminum, calcium, copper, hydrogen, oxygen, and silicon.


tantite

(mineralogy) A triclinic-pedial colorless mineral containing oxygen and tantalum.


routhierite

(mineralogy) A tetragonal-ditetragonal pyramidal mineral containing antimony, arsenic, copper, mercury, sulfur, thallium, and zinc.


moissanite

moissanite (countable and uncountable, plural moissanites)

From Moissan + -ite; the mineral form of silicon carbide was named moissanite in honor of chemist Henri Moissan.².

(mineralogy) Naturally-occurring silicon carbide, having various crystalline polymorphs.

莫桑石

Naturally-occurring silicon carbide with various crystalline polymorphs


monticellite

monticellite (countable and uncountable, plural monticellites)

Named after Italian writer Teodoro Monticelli (1759–1845), + -ite.

named-after

(mineralogy) An orthorhombic-dipyramidal mineral containing calcium, magnesium, oxygen, and silicon.


russellite

Named after British mineral collector Sir Arthur Edward Ian Montague Russell (1878–1964), who held the mineral in his collection before it was donated for analysis, + -ite.

(mineralogy) An orthorhombic-pyramidal mineral containing bismuth, oxygen, and tungsten.


powellite

en-noun

powellite (countable and uncountable, plural powellites)

powellite Powellite (canonical)
powellites (plural)

Named after American geologist John Wesley Powell (1834–1902), + -ite.

named-after

(mineralogy) A tetragonal-dipyramidal mineral containing calcium, molybdenum, and oxygen.


kerolite

en-noun

kerolite (countable and uncountable, plural kerolites)

From Ancient Greek κηρός (kērós, “wax”) + λίθος (líthos, “stone”).

(mineralogy) A metamorphic nickel-bearing phyllosilicate mineral similar to talc and serpentine.


halloysite

halloysite (countable and uncountable, plural halloysites)

From Belgian geologist Omalius d'Halloy + -ite.

(mineralogy) A monoclinic-domatic clay mineral containing aluminum, hydrogen, oxygen, and silicon.


talnakhite

(mineralogy) An isometric-hextetrahedral mineral containing copper, iron, nickel, and sulfur.


krennerite

From Krenner + -ite, after mineralogist Joseph Krenner who discovered it.

(mineralogy) An orthorhombic-pyramidal creamy white mineral containing gold and tellurium.


voltzite

From Voltz + -ite, after a French engineer.

(mineralogy) An oxysulfide of lead occurring in implanted spherical globules of a yellowish or brownish colour.


rynersonite

(mineralogy) An orthorhombic-dipyramidal mineral containing calcium, niobium, oxygen, and tantalum.


knebelite

knebelite (countable and uncountable, plural knebelites)

(mineralogy) A silicate mineral, a manganese variety of fayalite that forms dark green orthorhombic crystals.


conite

Ancient Greek κόνις (kónis, “dust”), from its grey colour, + -ite.

(mineralogy) A magnesian variety of dolomite.


jaspilite

jaspilite (countable and uncountable, plural jaspilites)

(mineralogy) A compact siliceous rock resembling jasper.


spandite

(mineralogy) A combination of spessartine and andradite. Ca-Fe-rich spessartine or Mn-Al-rich andradite.


mullite

mullite (countable and uncountable, plural mullites)

Named for type locality Mull (Scotland) + -ite.

(mineralogy) An orthorhombic-dipyramidal mineral containing aluminum, oxygen, and silicon.


wakefieldite

After Wakefield Lake in Quebec, Canada, + -ite (now known as Lake Saint Pierre).

(mineralogy) Any of four uncommon rare earth element vanadate minerals, each containing oxygen and vanadium, but otherwise containing different elements.


alsakharovite-Zn

Named after Aleksey S. Sakharov (1910-1996), Russian geologist, who worked on the Lovozero massif where the mineral was discovered.
Aleksey + Sakharov + -ite

(mineralogy) An extremely rare alkaline strontium zinc titanium silicate mineral from the cyclosilicates class, with formula written as NaSrKZn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·7H₂O, from alkaline pegmatites.


jasponyx

A form of onyx, part or all of whose layers consist of jasper.


unisilicate

unisilicate (countable and uncountable, plural unisilicates)

(mineralogy) A salt of orthosilicic acid where the ratio of oxygen atoms united to the basic metals and silicon respectively is 1:1.


dysluite

Ancient Greek meaning "hard to loosen or dissolve".

(mineralogy) A variety of the zinc spinel or gahnite.


dysodile

dysodile (usually uncountable, plural dysodiles)

From Ancient Greek δῠσώδης (dusṓdēs, “ill-smelling”), from δῠσ- (dus-) + ὄζω (ózō, “smell”), + -ile.

der

(mineralogy) A soft, finely laminated, greenish or yellowish-grey impure earthy or coaly bitumen, which emits a highly foetid odour when burning.


danaite

From Dana + -ite, after J. Freeman Dana.

(mineralogy) A cobaltiferous variety of arsenopyrite.


dufrenite

en-noun

dufrenite (usually uncountable, plural dufrenites)

From Dufrénoy + -ite, after French geologist Pierre Armand Dufrénoy.

(mineralogy) A blackish-green mineral that is a hydrous phosphate of iron.


holosiderite

(mineralogy) meteoric iron; a meteorite consisting of metallic iron without stony matter.


luxullianite

luxullianite (countable and uncountable, plural luxullianites)

From Luxullian + -ite, after the place in Cornwall.

(mineralogy) A kind of granite characterized by the presence of radiating groups of minute tourmaline crystals.


lherzolite

lherzolite (countable and uncountable, plural lherzolites)

/ˈləːzəlʌɪt/

The most important variety is called lherzolite: its list of constituent minerals includes a lot of olivine but also feldspar and pyroxene, and often small quantities of two other minerals: garnet and spinel.

2004, Richard Fortey, The Earth, Folio Society, published 2011, page 60:

(mineralogy) A dark-green igneous rock consisting largely of chrysolite, with pyroxene and picotite.


pycnite

pycnite (countable and uncountable, plural pycnites)

(mineralogy) A massive subcolumnar variety of topaz.


pyrosmalite

pyrosmalite (countable and uncountable, plural pyrosmalites)

(mineralogy) A mineral, usually of a pale brown or grey-greenish colour, consisting chiefly of the hydrous silicate of iron and manganese.


daubreelite

daubreelite (countable and uncountable, plural daubreelites)

From Daubrée + -lite, after a French mineralogist.

(mineralogy) A sulphide of chromium observed in some meteoric irons.


pagodite

From pagoda + -ite, because sometimes carved by the Chinese into the form of pagodas.


potstone

potstone (countable and uncountable, plural potstones)

(mineralogy) A variety of steatite sometimes manufactured into culinary vessels.


karpholite

(mineralogy) A fibrous mineral occurring in tufts of a straw-yellow colour. It is a hydrous silicate of alumina and manganese.


Derbyshire spar

Derbyshire spar (countable and uncountable, plural Derbyshire spars)


euchlorine

Compare French euchlorine. See euchloric.

(mineralogy) A rare emerald-green sulfate mineral found as a natural sublimate in fumaroles around volcanic eruptions, and having the chemical formula KNaCu₃(SO₄)₃O).


jaspachate

jaspachate (countable and uncountable, plural jaspachates)


francolite

francolite (countable and uncountable, plural francolites)

Named for type locality Wheal Franco (a former copper mine in Tavistock, in Devon, England) + -lite.

carbonate-rich fluorapatite
carbonate-rich fluorapatite#English

(mineralogy) Synonym of carbonate-rich fluorapatite (“a variety of apatite”).


eulytite

eulytite (countable and uncountable, plural eulytites)

(mineralogy) A mineral, consisting chiefly of the silicate of bismuth.


spherosiderite

spherosiderite (countable and uncountable, plural spherosiderites)

(mineralogy) Siderite occurring in spheroidal masses.


vulpinite

From Costa Volpino (“a place name in Italy”) + -ite (“a mineral”).

af

(mineralogy) A scaly granular variety of anhydrite of a grayish-white colour, used for ornamental purposes.


water sapphire

(mineralogy) A deep blue variety of iolite, sometimes used as a gem.


ehlite

For the German village of Ehl (near the type locality Linz, Austria) + -ite.

(mineralogy) A variety of pseudomalachite; a green pearly mineral, hydrous phosphate of copper.


viridite

en-noun

viridite (usually uncountable, plural viridites)

(mineralogy) A greenish chloritic mineral common in certain igneous rocks.


brongniardite

(mineralogy) A lead-silver sulfantimonide with 26.2% silver, some of which is apparently diaphorite and some canfieldite.


brongniartite

(mineralogy) Alternative spelling of brongniardite


peastone

peastone (countable and uncountable, plural peastones)


needlestone

needlestone (countable and uncountable, plural needlestones)


szaskaite

(mineralogy) Alternative name for smithsonite.


subgraywacke

subgraywacke (countable and uncountable, plural subgraywackes)

(mineralogy) The most common type of sandstone, intermediate in composition between orthoquartzite and graywacke, typically composed of 30% to 65% quartz and chert, less than 15% clay matrix, more than 25% unstable materials such as feldspar grains and rock fragments, and voids or mineral cement exceeding the amount of clay matrix, and being lighter colored and better sorted, and with less matrix, than graywacke.


zanthochroite

Probably from a spelling pronunciation of xantho- (“yellow”) + Ancient Greek χρώς (khrṓs) + -ite.

af

(mineralogy) An amorphous cadmium sulfide, of which greenockite is the crystalline form.


dopplerite

en-noun

dopplerite (countable and uncountable, plural dopplerites)

From Doppler + -ite, after physicist and mathematician Christian Doppler.

(mineralogy) A brownish-black native hydrocarbon occurring in elastic or jelly-like masses, derived from the maceration of peat.


stylotypite

(mineralogy) Alternative name for tetrahedrite.


gieseckite

From Giesecke + -ite, after Karl Giesecke.

(mineralogy) A greenish-grey variety of muscovite.


nevadite

(mineralogy) A granitoid variety of rhyolite.


petrosilex

Petrosilex has given rise to different .

1871, Thomas Egleston, Catalogue of Minerals, with Their Formulae and Crystalline Systems:

The name simple petrosilex seems to have been confined to the more apparenttly homogeneous felsites, while the term porphyritic petrosilex was given to those rocks supposed to have a base of simple petrosilex or of felsparoid which held enclosed porphyritic crystals.

1884, Harvard University. Museum of Comparative Zoology, Bulletin: Geological series - Volume 1, page 399:

A brief history of the word felsite and its synonyms in different countries (petrosilex, eurite, and ha:lleflinta) will serve to illustrate the unfitness of it and these allied terms for exact petrographical usage.

1896, Arthur Winslow, Charles Doolittle Walcott, Florence Bascom, Contributions to the Cretaceous Paleontology of the Pacific:

(mineralogy) A fine-grained, silica-rich rock composed of quartz and sometimes other minerals, similar to the chemical structure of hornstone but having a different texture.


malacolite

malacolite (countable and uncountable, plural malacolites)

Ancient Greek μαλακός (malakós, “soft”) + -lite


oxalite

oxalite (countable and uncountable, plural oxalites)

(mineralogy) A yellow mineral, one of the oxalates of iron.


bronzite

bronzite (countable and uncountable, plural bronzites)

(mineralogy) A ferriferous variety of enstatite, often with a bronze-like lustre.


turnerite

From Turner + -ite after English chemist and mineralogist C. H. Turner.

(mineralogy) A variety of monazite with golden yellow to brownish yellow crystals.


nemalite

nemalite (usually uncountable, plural nemalites)

From Ancient Greek νῆμα (nêma, “thread”) + -lite.

In the mineral kingdom [Magnesium] is found in a native state, combined with water, though this is not a common mineral. The siliceous hydrate, or nemalite, is still rarer. The carbonate is far more common;[…].

1845 September, “My Cabinet”, in Charlotte Elizabeth, editor, The Christian Lady's Magazine, volume 24, page 264:

The specimens examined by me had the ordinary external characters of nemalite, consisting of adhering fibres of a fine silky lustre, and white colour, with a shade of yellow and partial slight blue or green tinge.

1846 October, Arthur Connell, “Analysis of the American Mineral Nemalite”, in Robert Jameson, editor, The Edinburgh New Philosophical Journal, Exhibiting a View of the Progressive Discoveries and Improvements in the Sciences and the Arts, volume 41, number 82, Edinburgh: Adam & Charles Black, page 388:

Several thousand specimens have been quarried from the serpentine and trap Ridges in New Jersey, under the direction of Professor Leeds of the Stevens Institute. They consist of nemalites, occurring in translucent masses made up of long, silky fibers;[…].

1874 October 17, “New Jersey Minerals”, in Scientific American, volume 31, number 16 (new series), New York: Munn, page 244:

As nemalite and chrysotile are usually found under similar conditions—in the form of veins traversing serpentine—it seems not unnatural that the two allied magnesian fibrous minerals should co-exist intimately mixed in the same vein,[…].

1897 May, F. R. Mallet, “On Nemalite from Afghánistán”, in The Mineralogical Magazine and Journal of the Mineralogical Society, volume 11, number 52, London: Simpkin, Marshall, Hamilton, Kent, page 213:

(mineralogy) A variety of brucite, occurring in slender fibers which are elastic and easily separated, having a color of white with a shade of yellow and a highly silky luster.


withamite

withamite (countable and uncountable, plural withamites)

From Witham + -ite after its discoverer, H. Witham.

(mineralogy) A reddish variety of epidote, found in Scotland.


woodrock

(mineralogy) A compact wood-like variety of asbestos.


orthite

(mineralogy) A variety of allanite occurring in slender prismatic crystals


desmine

(mineralogy, obsolete) The mineral stilbite.


xonaltite

(mineralogy, rare) A hydrous silicate of calcium, occurring in massive form of a white or bluish‐gray colour.


lithomarge

lithomarge (countable and uncountable, plural lithomarges)

From New Latin lithomarga, from Ancient Greek λιθος (lithos, “stone”) + Latin marga (“marl”). Equivalent to litho- + marge.


nigrine

Latin niger (“black”): compare French nigrine.

(mineralogy) A ferruginous variety of rutile.


keffekil

From Turkish [Term?], composed of Kefe (“Caffa, a city in Crimea”) + kil (“clay”). The material was imported from that region of Crimea.
Alternatively, according to Webster (1913), from Persian کف (kaf, “foam”) + گل (gel, “clay”). Note that Turkish kil is from Persian گل (gel).

(mineralogy) A kind of clay; meerschaum.


necronite

(obsolete, mineralogy) A kind of foul-smelling feldspar.


allochroite

From allo- + Ancient Greek χρώς (khrṓs) + -ite. Cf. allochroic.


ligurite

en-noun

ligurite (usually uncountable, plural ligurites)

(mineralogy) A variety of sphene or titanite.


haüynite

René Just Haüy, (1743-1822), French crystallographer, + -ite.

(mineralogy) An isometric tectosilicate feldspathoid mineral with sulfate and chloride.


byssolite

byssolite (countable and uncountable, plural byssolites)

From Ancient Greek βύσσος (bússos, “flax”) + -lite.

(mineralogy) An olive-green fibrous variety of hornblende.


misy

Compare Latin misy (“a mineral, perhaps copperas”).

cog

(mineralogy) An impure yellow sulphate of iron; yellow copperas or copiapite.


coccolite

From Ancient Greek κόκκος (kókkos, “kernel”) + -lite.

(mineralogy, obsolete) The mineral diopside.


lucullite

en-noun

lucullite (countable and uncountable, plural lucullites)

From Lucullus (“a Roman consul, famous for his great wealth and luxury”) + -ite. Compare French lucullite.

affix

He next characterized the different British limestones, with reference to the qualities peculiar to each, in the composition of mortars and cements, dividing them into the soft white limestones, such as chalk and oolite, the grey limestones, the bituminous limestones or lucullites, the magnesian limestones, and lastly those fitted for water cements, such as the grey chalk of Dorking, and the blue limestone of Aberthaw and Barrow, and the septaria of the London clay from which Roman cement is prepared, exhibiting specimens of each kind.

Compact lucullite is subdivided into common or black marble; and stinkstone.

1875, A Dictionary of Chemistry and the Allied Branches of Other Sciences, volume 3, page 698:

Lucullite, which also yields the odour of sulphuretted hydrogen on being rubbed, is found in Derbyshire and other parts of England, as also in Cork, Galway, and Kilkenny, in Ireland.

1883, Alexander Watt, The History of a Lump of Chalk: Its Family Circle, and Their Uses, page 37:

(mineralogy, dated) A variety of black limestone, often polished for ornamental purposes.


wernerite

en-noun

wernerite (countable and uncountable, plural wernerites)

(mineralogy) The common greyish or white variety of scapolite.


hepatite

hepatite (countable and uncountable, plural hepatites)

From Latin hepatitis, an unknown precious stone, from Ancient Greek ἧπαρ (hêpar, “liver”); compare French hépatite.

Carbon forms the basis of several of the combustibles; as coal, bitumen, amber, &c.; and it enters into the composition of a few minerals in small proportion; in the Aberthaw limestone, the hepatite, semi-opal, and in clay-slate, not exceeding 1 or 2 per cent.;[…].

1823, [1816], William Phillips, An Elementary Introduction to the Knowledge of Mineralogy, 3rd edition, page lii:

(mineralogy, dated) A variety of barite that emits a foetid odour when rubbed or heated.


boltonite

From Bolton + -ite, after Bolton, Massachusetts, USA.


miascite

miascite (countable and uncountable, plural miascites)

From Miask (“a place in the Ural Mountains”) + -ite.

affix

(mineralogy) A granitoid rock containing feldspar, biotite, elaeolite, and sodalite.


dialogite

en-noun

dialogite (countable and uncountable, plural dialogites)


ophthalmite

(mineralogy) A migmatite that is characterized by the presence of concentric or lenticular aggregates of newly formed minerals that reflect post-anatectic processes.


woodstone

woodstone (countable and uncountable, plural woodstones)

(mineralogy) A striped variety of hornstone, resembling wood in appearance.


agalmatolite

agalmatolite (countable and uncountable, plural agalmatolites)

(mineralogy) A soft, compact stone, of a grayish, greenish, or yellowish color, carved into images by the Chinese, and hence called figure stone, and pagodite. It is probably a variety of pinite.


globulite

globulite (countable and uncountable, plural globulites)

(mineralogy) A rudimentary spherical form of crystallite.


orangite

orangite (countable and uncountable, plural orangites)

(mineralogy) An orange-yellow variety of thorite, found in Norway.


columbate

columbate (countable and uncountable, plural columbates)


fahlunite

fahlunite (usually uncountable, plural fahlunites)

From Fahlun + -ite, after a place in Sweden (nowadays written Falun).


micropegmatite

micropegmatite (countable and uncountable, plural micropegmatites)

(mineralogy, dated) A rock showing under the microscope the structure of pegmatite.


melaconite

(mineralogy) An earthy black oxide of copper, arising from the decomposition of other ores.


iodyrite

iodyrite (usually uncountable, plural iodyrites)

(mineralogy) a natural mineral form of silver iodide


fowlerite

fowlerite (usually uncountable, plural fowlerites)

From Fowler + -ite, after Dr. Samuel Fowler.

(mineralogy) A variety of rhodonite that contains zinc.


hydrophane

hydrophane (countable and uncountable, plural hydrophanes)

From hydro- (water) + -phane (“appearing”).

(mineralogy) A semitranslucent variety of opal that becomes translucent or transparent on immersion in water.


elaterite

elaterite (countable and uncountable, plural elaterites)


longulite

(mineralogy) A kind of crystallite with a slender acicular form.


tripestone

(mineralogy) A variety of anhydrite composed of contorted plates, bearing a certain ressemblance to tripe.


smaragdite

smaragdite (countable and uncountable, plural smaragdites)

Compare French smaragdite; so called from its emerald-green color. See smaragd.

(mineralogy) A green foliated kind of amphibole, observed in eclogite and some varieties of gabbro.


lithophyse

(mineralogy) A spherulitic cavity, often with concentric chambers, observed in some volcanic rocks, such as rhyolitic lavas.


osmiridium

osmiridium (countable and uncountable, plural osmiridiums)

(mineralogy) A hard, corrosion-resistant alloy of osmium and iridium, used in pen nibs.


anticotunnite

(mineralogy) An orthorhombic form of cotunnite.


cerite

(mineralogy) A hydrous silicate of cerium (and other metals).


thoria

thoria (countable and uncountable, plural thorias)

(mineralogy) The rare earth thorium oxide.


itacolumite

itacolumite (countable and uncountable, plural itacolumites)

(mineralogy) A porous yellow sandstone that is flexible when cut into thin strips.


moroxite

Related to Ancient Greek word for a sort of pipe clay.

(mineralogy, archaic) A greenish-blue variety of apatite.


phassachate

From Ancient Greek φάσσα (phássa, “wood-pigeon”) + agate, referring to its colour.

der

(obsolete, mineralogy) The lead-coloured agate.


alaite

(mineralogy) A rare hydrous arsenate sulfate mineral with the chemical formula V₂O₅·H₂O.


ditroite

en-noun

ditroite (countable and uncountable, plural ditroites)

From Ditró + -ite, named after Ditró, a village in Transylvania (now Ditrău, Romania).

(mineralogy) An igneous rock composed of orthoclase, elaeolite, and sodalite.


osteolite

(mineralogy) A massive impure apatite, or calcium phosphate.


milky quartz

milky quartz (usually uncountable, plural milky quartzes)

(mineralogy) A common form of crystalline quartz that is white in color.


rensselaerite

After Stephen Van Rensselaer, founder in 1824 of Rensselaer Polytechnic Institute

1840, https://books.google.co.uk/books?id=OrqB7elAQrwC&pg=PA321&lpg=PA321&dq=%22rensselaerite%22&source=bl&ots=pj8PiIHqLW&sig=TtiKA3EELWApIeKjjdL3aE3kX0E&hl=en&sa=X&ved=0ahUKEwjfx4SR_p7TAhULD8AKHfJxAOA4FBDoAQhAMAk#v=onepage&q=%22rensselaerite%22&f=false ("Assembly: State of New York, Issue 50", published 1840, digitised 2010).
To this I may subjoin Rensselaerite, which frequently occurs in thick, heavy beds in connexion with the above.

(mineralogy) A soft, compact variety of talc, being an altered pyroxene, sometimes worked in a lathe into inkstands and other articles, found in New York and Canada.

Rensselaer Polytechnic Institute
Stephen Van Rensselaer


troostite

troostite (countable and uncountable, plural troostites)

From Troost + -ite, after Dr. Gerard Troost of Nashville, Tennessee, USA.

(mineralogy) The mineral willemite with manganese.


joaquinite

joaquinite (countable and uncountable, plural joaquinites)


tveitite

(mineralogy) An yttrium fluoride mineral.


quadruphite

(mineralogy) A triclinic sorosilicate mineral.


quintinite

(mineralogy) A hexagonal carbonate mineral, Mg₄Al₂(OH)₁₂CO₃·H₂O.


quatrandorite

(mineralogy) A grey monoclinic mineral containing silver, lead, sulfur, and antimony.


Bovey coal

Found at Bovey Tracey, Devonshire, England.


lepidomelane

(mineralogy) A black iron-potash mica, usually found in granitic rocks in small six-sided tables, or as an aggregation of minute opaque scales.


cimolite

cimolite (countable and uncountable, plural cimolites)

First attested in 1801; formed as Latin Cimōlia (from the Ancient Greek Κιμωλία γῆ (Kimōlía gê, “earth of Cimolus”) — Cimōlus being the former name of Argentiera) + English -ite.

uder

(mineralogy) A soft clayey mineral of whitish or greyish colour.


oligist

Ancient Greek, probably in allusion to its weak magnetism, as compared with magnetite. See oligo-.


thinolite

en-noun

thinolite (usually uncountable, plural thinolites)

Ancient Greek θίνα (thína, “dune, shore”) + -lite.

uder

(mineralogy) a pseudomorph of ikaite, found in Quaternary lake basins of Nevada.


panabase

From pan- + base, in allusion to the number of metals it contains.


chalybite

en-noun

chalybite (countable and uncountable, plural chalybites)

From Ancient Greek χάλυψ (khálups, “steel”) + -ite.


embolite

From Latin embolus (“piston”), from Ancient Greek ἔμβολος (émbolos, “peg, wedge, stopper”).

uder

(mineralogy) A mineral consisting of silver chloride and silver bromide; a variety of bromian chlorargyrite.


condurrite

From Condurra + -ite, after the Condurra mine in Cornwall, England.

(mineralogy) A variety of the mineral domeykite, or copper arsenide.


chloropal

A careful consideration of the various analyses of minerals of the chloropal group given by Dana, leads me, therefore, to propose that the following species and varieties should be regarded as a series of types to which all future discoveries in the group may be referred.

1877, J. H. Collins, “Remarks on Gramenite from Smallacombe, and on the Chloropal Group of Minerals”, in The Mineralogical Magazine and Journal of the Mineralogical Society, page 70:

Several delessites and chloropals occurring in basalts have a composition very close to that of the glass.

1905, B. K. Emerson, “Plumose diabase and palagonite from the Holyoke trap sheet”, in Bulletin of the Geological Society of America, volume 16, page 105:

Nontronite, a variety of chloropal occurs as a light yellow powder in druses of the North Conway granite (99, p. 312).

1969, T. R. Meyers, The Geology of New Hampshire: Minerals and mines, page 18:

(mineralogy) A massive mineral, greenish in colour and opal-like in appearance, essentially a hydrous silicate of iron.


succinite

en-noun

succinite (countable and uncountable, plural succinites)


pandermite

(mineralogy) A hydrous borate of lime, resembling priceite.


erinite

erinite (countable and uncountable, plural erinites)

From Erin + -ite, referring to Ireland, where it occurs.

(mineralogy) A hydrous copper arseniate of an emerald-green colour.


bucholzite

From Bucholz + -ite, named after a German chemist.


fibrolite

fibrolite (countable and uncountable, plural fibrolites)

From fibro- + -lite, being a mineral of fibrous appearance.


margarodite

margarodite (countable and uncountable, plural margarodites)

Borrowed from German Margarodit (coined in 1843 by Dr. Carl Schaffhäutl), from Byzantine Greek μαργαρώδης (margarṓdēs, “pearl-like”), from Ancient Greek μάργαρον (márgaron, “pearl”); see μαργαρίτης (margarítēs).

der

This optical peculiarity of the Breezy margarodite distinguishes it from the margarodite of the Leinster granite, in which the plane of the optical axes coincides with the long diagonal of the primary rhomb, joining its acute angles.

1862, The Quarterly Journal of the Geological Society of London, page 415:

Margarodite, as named by Schafhäutl, was the talc-like mica of Mt. Greiner in the Zillerthal (anal. 36); granular to scaly in structure, luster pearly, color grayish white.

1904, James Dwight Dana, The System of Mineralogy of James Dwight Dana, 1837-1868:

The alumina of the topaz has gone to form muscovite of the variety known as margarodite with less margarite.

1921, Proceedings of the United States National Museum, United States National Museum:

(mineralogy, obsolete) A hydrous potash mica related to muscovite.


retinalite

en-noun

retinalite (usually uncountable, plural retinalites)

From Ancient Greek ρητίνη (rētínē, “resin”) + -lite.

(mineralogy) A translucent variety of serpentine of a honey-yellow or greenish-yellow colour, with a waxy resinous lustre.


metacinnabarite

metacinnabarite (usually uncountable, plural metacinnabarites)

(mineralogy) sulfide of mercury in a black isometric form


fuchsite

Named in 1842 by Karl F. Emil von Schafhäutl in honor of Johann Nepomuk von Fuchs, a German chemist and mineralogist.

(mineralogy) A green variety of muscovite


cleavelandite

cleavelandite (countable and uncountable, plural cleavelandites)

From Cleaveland + -ite, after Professor Parker Cleaveland.

(mineralogy) A white lamellar variety of albite.


fengite

Like phengite from Latin phengites, from Ancient Greek φέγγος (phéngos). Superficially contains -ite.

(mineralogy) A transparent form of marble or alabaster, formerly sometimes used for windows.


albertite

albertite (countable and uncountable, plural albertites)

From Albert + -ite, after Albert County in New Brunswick where it is found.

(mineralogy) A variety of asphalt having a black color.


botryolite

From Ancient Greek βότρυς (bótrus, “cluster of grapes”) + -lite.

der

(mineralogy) A variety of datolite, usually having a botryoidal structure.


cairngormstone

(mineralogy, rare) A yellow or smoky brown variety of rock crystal, found especially in the mountains of Cairngorm in Scotland.


alum stone

(mineralogy) Alternative form of alumstone (“alunite”)


euosmite

(mineralogy) A fossil resin with a strong pleasant odour.


blackband

(mineralogy) An earthy carbonate of iron containing considerable carbonaceous matter, valuable as an iron ore.


odontolite

(mineralogy) A fossil tooth coloured a bright blue by iron phosphate, used as an imitation turquoise.


praseolite

(mineralogy) A variety of altered iolite with a green colour and greasy lustre.


peristerite

From Ancient Greek περιστερά (peristerá, “pigeon”) + -ite. In reference to the iridescence of a pigeon's neck.

(mineralogy) A variety of albite, whitish and slightly iridescent.


belonite

From Ancient Greek βελόνη (belónē, “a needle”) + -ite (“rock, mineral or fossil”).

One of the minute acicular or dendritic crystalline forms sometimes observed in glassy volcanic rocks.


verd antique

From French vert antique (“a kind of marble”), from verd, vert (“green”) + antique (“ancient”). Compare Italian verde antico.

(mineralogy) A mottled green serpentine marble.


farcilite

From farcical + -lite, in the Latin sense of the word farce which means to stuff or to season, because the composite mineral is "stuffed" with quartz nodules. See puddingstone.

an entire mountain of farcilite, containing flints , stuck in a quartzy basis , has been discovered there

1799, Richard Kirwan, Geological Essays:


dipyre

From di- + Ancient Greek πῦρ (pûr, “fire”); so called from the double effect of fire upon it, in fusing it and rendering it phosphorescent.


ripidolite

From Ancient Greek ῥιπίς (rhipís, “fan”) + -lite.

(mineralogy) A translucent green chlorite mineral of micaceous structure; a hydrous silicate of alumina, magnesia, and iron.


eschynite

en-noun

eschynite (usually uncountable, plural eschynites)

Ancient Greek shame (because chemical science was unable, at the time of its discovery, to separate some of its constituents).

(mineralogy) A rare mineral, containing chiefly niobium, titanium, thorium, and cerium.


pissasphalt

Borrowed from Latin pissasphaltus, from Ancient Greek πισσάσφαλτος (pissásphaltos), from πίσσα (píssa, “pitch”) + ἄσφαλτος (ásphaltos, “asphalt”).

der

πισσάσφαλτος

These minerals are intimately incorporated with all asphaltum, pissasphalt and petroleum. […] The impregnated sand, A to B, has a nearly horizontal lamination, but is contorted in places by the ascent of the pissasphalt.

1893, Scientific American: Supplement, volume XXXVI, Petroleum and Asphalt in California, page 14739:

(mineralogy) A soft, black, tarry bitumen, intermediate between petroleum and asphalt.


menaccanite

en-noun

menaccanite (countable and uncountable, plural menaccanites)

From Menaccan + -ite, after the place in Cornwall where it was first found.

(mineralogy) A black or steel-grey mineral consisting chiefly of the oxides of iron and titanium.


bergmeal

From German Berg (“mountain”) + Mehl (“meal”).

Bergmeal was sometimes mixed into food during times of scarcity in Lapland and Sweden.

An earthy substance, resembling fine flour, composed of the shells of infusoria.


dichroite

dichroite (countable and uncountable, plural dichroites)

From dichroic + -ite. So called because it presents two different colours when viewed in two different directions.


sardachate

From Latin sardachates. Compare French sardachate. See sard and agate.

(mineralogy) A variety of agate containing sard.


lintonite

From Linton + -ite, after Laura Linton, chemistry student who analysed the mineral in the late 19th century.


sagenite

From French sagénite, from Latin sagena (“a large net”). See saine.

(mineralogy) acicular rutile occurring in reticulated forms embedded in quartz


mesole

From Ancient Greek μέσος (mésos, “middle”).


marlite

marlite (countable and uncountable, plural marlites)

Marlites […]are not disintegrated by exposure to the atmosphere, at least in six years.

1784, Richard Kirwan, Elements of Mineralogy:

(mineralogy) A wind-resistant variety of marl.


mussite

From Mussa + -ite, since it comes from the Mussa Alp in Piedmont.

(mineralogy) A variety of pyroxene; diopside.


euphotide

Ancient Greek εὐ- (eu-, “well”) + φῶς (phôs, “light”). So called because of its pleasing combination of white and green.

(mineralogy) A rock occurring in the Alps, consisting of saussurite and smaragdite.


flos-ferri

Borrowed from Latin [Term?], meaning "flower of iron".

(mineralogy) A variety of aragonite occurring in delicate white coralloidal forms, common in beds of iron ore.


trichite

(mineralogy) A kind of crystallite resembling a bunch of hairs, common in obsidian.


hemachate

Latin haemachates; Ancient Greek blood + agate.

(mineralogy) A variety of agate, sprinkled with spots of red jasper.


aphrite

(mineralogy) A foliated or chalk-like variety of calcite.


eurite

(mineralogy) A compact feldspathic rock; felsite.


ampelite

ampelite (countable and uncountable, plural ampelites)

From Latin ampelitis, from Ancient Greek from ἀμπελῖτις (ampelîtis, “of or for vines”), from ἄμπελος (ámpelos, “vine”).

(mineralogy) An earth abounding in pyrites, used by the ancients to kill insects, etc., on vines.

(mineralogy) A carbonaceous alum schist.


pleonaste

Ancient Greek abundant, rich; compare French pléonaste.


Cologne earth

(mineralogy) An earth of a deep brown colour, containing more vegetable than mineral matter; an earthy variety of lignite, or brown coal.


polianite

polianite (countable and uncountable, plural polianites)

(mineralogy) manganese dioxide, occurring in hard tetragonal crystals


cauk

cauk (countable and uncountable, plural cauks)

British dialect cauk (“limestone”), a doublet of calx and chalk.

(mineralogy) An opaque, compact variety of barite, or heavy spar.


cacholong

From French cacholong, said to be from Cach (“the name of a river in Bucharia”) + cholon (“a Calmuck word for stone”); or from a Calmuck word meaning "beautiful stone".

(mineralogy) An opaque or milk-white chalcedony, a variety of quartz.


elaeolite

From Ancient Greek ἔλαιον (élaion, “olive oil, oil”) + -lite.

uder

(mineralogy) A variety of nepheline, usually massive and of a greasy lustre and grey to reddish colour.


anthraconite

(mineralogy) A coal-black marble, usually emitting a foetid smell when rubbed.


hair-salt

en-noun

hair-salt (countable and uncountable, plural hair-salts)

(mineralogy, dated) A habit of epsomite which occurs as silky, hair-like fibers.


pucherite

From Pucher + -ite, named after a mine in Saxony.

(mineralogy) vanadate of bismuth, occurring in minute reddish-brown crystals


essonite

Named from Ancient Greek ἥσσων (hḗssōn, “inferior”), because not so hard as some minerals it resembles (e.g. hyacinth).

der

(mineralogy) Alternative spelling of hessonite (“Cinnamon stone, a variety of garnet”)


felstone

From German Feldstein, in analogy with English feldspar.


colophonite

en-noun

colophonite (usually uncountable, plural colophonites)

From colophony + -ite, from the resemblance in colour.

(mineralogy) A coarsely granular variety of garnet.


piedmontite

piedmontite (usually uncountable, plural piedmontites)

(mineralogy) piemontite (a manganic variety of epidote)


menilite

French ménilite, because it is found at Ménilmontant, in Paris.


Chessy copper

From Chessy, near Lyons, France, where it is found.

(mineralogy, archaic) The mineral azurite.