diamant

diamant (nominative singular)
diamanty (nominative plural)
diamantu (genitive singular)
diamantů (genitive plural)
diamantu (dative singular)
diamantům (dative plural)
diamant (accusative singular)
diamanty (accusative plural)
diamante (singular vocative)
diamanty (plural vocative)
diamantu (locative singular)
diamantech (locative plural)
diamantem (instrumental singular)
diamanty (instrumental plural)

Borrowed from French and Old French diamant.


hematit

hematit (nominative singular)
hematity (nominative plural)
hematitu (genitive singular)
hematitů (genitive plural)
hematitu (dative singular)
hematitům (dative plural)
hematit (accusative singular)
hematity (accusative plural)
hematite (singular vocative)
hematity (plural vocative)
hematitu (locative singular)
hematitech (locative plural)
hematitem (instrumental singular)
hematity (instrumental plural)


kasiterit

kasiterit (nominative singular)
kasiterity (nominative plural)
kasiteritu (genitive singular)
kasiteritů (genitive plural)
kasiteritu (dative singular)
kasiteritům (dative plural)
kasiterit (accusative singular)
kasiterity (accusative plural)
kasiterite (singular vocative)
kasiterity (plural vocative)
kasiteritu (locative singular)
kasiteritech (locative plural)
kasiteritem (instrumental singular)
kasiterity (instrumental plural)


sádrovec

sádrovec (nominative singular)
sádrovce (nominative plural)
sádrovce (genitive singular)
sádrovců (genitive plural)
sádrovci (dative singular)
sádrovcům (dative plural)
sádrovec (accusative singular)
sádrovce (accusative plural)
sádrovci (singular vocative)
sádrovce (plural vocative)
sádrovci (locative singular)
sádrovcích (locative plural)
sádrovcem (instrumental singular)
sádrovci (instrumental plural)


slída

slídový (adjective)
slída (nominative singular)
slídy (nominative plural)
slídy (genitive singular)
slíd (genitive plural)
slídě (dative singular)
slídám (dative plural)
slídu (accusative singular)
slídy (accusative plural)
slído (singular vocative)
slídy (plural vocative)
slídě (locative singular)
slídách (locative plural)
slídou (instrumental singular)
slídami (instrumental plural)

Cognate with Slovak sľuda and Russian слюда (sljuda).


křemen

křemen (nominative singular)
křemeny (nominative plural)
křemenu (genitive singular)
křemene (genitive singular)
křemenů (genitive plural)
křemenu (dative singular)
křemeni (dative singular)
křemenům (dative plural)
křemen (accusative singular)
křemeny (accusative plural)
křemeni (singular vocative)
křemeny (plural vocative)
křemeni (locative singular)
křemenu (locative singular)
křemenech (locative plural)
křemenem (instrumental singular)
křemeny (instrumental plural)

Inherited from Old Czech křemen, from Proto-Slavic *kremy.


halit

halit (nominative singular)
hality (nominative plural)
halitu (genitive singular)
halitů (genitive plural)
halitu (dative singular)
halitům (dative plural)
halit (accusative singular)
hality (accusative plural)
halite (singular vocative)
hality (plural vocative)
halitu (locative singular)
halitech (locative plural)
halitem (instrumental singular)
hality (instrumental plural)


tuha

tuha (nominative singular)
tuhy (nominative plural)
tuhy (genitive singular)
tuh (genitive plural)
tuze (dative singular)
tuhám (dative plural)
tuhu (accusative singular)
tuhy (accusative plural)
tuho (singular vocative)
tuhy (plural vocative)
tuze (locative singular)
tuhách (locative plural)
tuhou (instrumental singular)
tuhami (instrumental plural)

likely form dialectal german "duchstein", "tugstein" or "tuffstein".


achát

achát (nominative singular)
acháty (nominative plural)
achátu (genitive singular)
achátů (genitive plural)
achátu (dative singular)
achátům (dative plural)
achát (accusative singular)
acháty (accusative plural)
acháte (singular vocative)
acháty (plural vocative)
achátu (locative singular)
achátech (locative plural)
achátem (instrumental singular)
acháty (instrumental plural)


opál

opál (nominative singular)
opály (nominative plural)
opálu (genitive singular)
opálů (genitive plural)
opálu (dative singular)
opálům (dative plural)
opál (accusative singular)
opály (accusative plural)
opále (singular vocative)
opály (plural vocative)
opálu (locative singular)
opálech (locative plural)
opálem (instrumental singular)
opály (instrumental plural)

(mineralogy) opal (a mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity)


biotit

biotit (nominative singular)
biotity (nominative plural)
biotitu (genitive singular)
biotitů (genitive plural)
biotitu (dative singular)
biotitům (dative plural)
biotit (accusative singular)
biotity (accusative plural)
biotite (singular vocative)
biotity (plural vocative)
biotitu (locative singular)
biotitech (locative plural)
biotitem (instrumental singular)
biotity (instrumental plural)


kaolinit

kaolinit (nominative singular)
kaolinity (nominative plural)
kaolinitu (genitive singular)
kaolinitů (genitive plural)
kaolinitu (dative singular)
kaolinitům (dative plural)
kaolinit (accusative singular)
kaolinity (accusative plural)
kaolinite (singular vocative)
kaolinity (plural vocative)
kaolinitu (locative singular)
kaolinitech (locative plural)
kaolinitem (instrumental singular)
kaolinity (instrumental plural)


smirek

smirek (nominative singular)
smirky (nominative plural)
smirku (genitive singular)
smirků (genitive plural)
smirku (dative singular)
smirkům (dative plural)
smirek (accusative singular)
smirky (accusative plural)
smirku (singular vocative)
smirky (plural vocative)
smirku (locative singular)
smircích (locative plural)
smirkem (instrumental singular)
smirky (instrumental plural)


cínovec

cínovec (nominative singular)
cínovce (nominative plural)
cínovce (genitive singular)
cínovců (genitive plural)
cínovci (dative singular)
cínovcům (dative plural)
cínovec (accusative singular)
cínovce (accusative plural)
cínovci (singular vocative)
cínovce (plural vocative)
cínovci (locative singular)
cínovcích (locative plural)
cínovcem (instrumental singular)
cínovci (instrumental plural)


klouzek

cs-noun

klouzek m inan or (colloquial, expressive) m anim

expressive (colloquial)
klouzek (nominative singular)
klouzky (nominative plural)
klouzka (genitive singular)
klouzku (genitive singular)
klouzků (genitive plural)
klouzku (dative singular)
klouzkům (dative plural)
klouzka (accusative singular)
klouzek (accusative singular)
klouzky (accusative plural)
klouzku (singular vocative)
klouzky (plural vocative)
klouzku (locative singular)
klouzcích (locative plural)
klouzkem (instrumental singular)
klouzky (instrumental plural)
klouzek (nominative singular)
klouzci (nominative plural)
klouzka (genitive singular)
klouzků (genitive plural)
klouzkovi (dative singular)
klouzku (dative singular)
klouzkům (dative plural)
klouzka (accusative singular)
klouzky (accusative plural)
klouzku (singular vocative)
klouzci (plural vocative)
klouzkovi (locative singular)
klouzku (locative singular)
klouzcích (locative plural)
klouzkem (instrumental singular)
klouzky (instrumental plural)


minerál

minerál (nominative singular)
minerály (nominative plural)
minerálu (genitive singular)
minerálů (genitive plural)
minerálu (dative singular)
minerálům (dative plural)
minerál (accusative singular)
minerály (accusative plural)
minerále (singular vocative)
minerály (plural vocative)
minerále (locative singular)
minerálu (locative singular)
minerálech (locative plural)
minerálem (instrumental singular)
minerály (instrumental plural)


nerost

nerost (nominative singular)
nerosty (nominative plural)
nerostu (genitive singular)
nerostů (genitive plural)
nerostu (dative singular)
nerostům (dative plural)
nerost (accusative singular)
nerosty (accusative plural)
neroste (singular vocative)
nerosty (plural vocative)
nerostu (locative singular)
nerostech (locative plural)
nerostem (instrumental singular)
nerosty (instrumental plural)


krušec

krušec (nominative singular)
krušce (nominative plural)
krušce (genitive singular)
krušců (genitive plural)
krušci (dative singular)
krušcům (dative plural)
krušec (accusative singular)
krušce (accusative plural)
krušci (singular vocative)
krušce (plural vocative)
krušci (locative singular)
krušcích (locative plural)
krušcem (instrumental singular)
krušci (instrumental plural)

From Old Czech krušec (“lump of a useful mineral, especially rock salt”), krušek, from kruch (“piece, chunk”), from Proto-Slavic *kruxъ, from Proto-Balto-Slavic *kraušas, from Proto-Indo-European *krows-o-s, ultimately from *krews- (“to freeze, become hard”).


mastek

mastek (nominative singular)
mastky (nominative plural)
mastku (genitive singular)
mastků (genitive plural)
mastku (dative singular)
mastkům (dative plural)
mastek (accusative singular)
mastky (accusative plural)
mastku (singular vocative)
mastky (plural vocative)
mastku (locative singular)
mastcích (locative plural)
mastkem (instrumental singular)
mastky (instrumental plural)


karmeltazit

karmeltazit (nominative singular)
karmeltazity (nominative plural)
karmeltazitu (genitive singular)
karmeltazitů (genitive plural)
karmeltazitu (dative singular)
karmeltazitům (dative plural)
karmeltazit (accusative singular)
karmeltazity (accusative plural)
karmeltazite (singular vocative)
karmeltazity (plural vocative)
karmeltazitu (locative singular)
karmeltazitech (locative plural)
karmeltazitem (instrumental singular)
karmeltazity (instrumental plural)


vřídlovec

vřídlovec (nominative singular)
vřídlovce (nominative plural)
vřídlovce (genitive singular)
vřídlovců (genitive plural)
vřídlovci (dative singular)
vřídlovcům (dative plural)
vřídlovec (accusative singular)
vřídlovce (accusative plural)
vřídlovci (singular vocative)
vřídlovce (plural vocative)
vřídlovci (locative singular)
vřídlovcích (locative plural)
vřídlovcem (instrumental singular)
vřídlovci (instrumental plural)

a variety of aragonite formed by precipitation from hot mineral springs


kyz

kyz (nominative singular)
kyzy (nominative plural)
kyzu (genitive singular)
kyzů (genitive plural)
kyzu (dative singular)
kyzům (dative plural)
kyz (accusative singular)
kyzy (accusative plural)
kyze (singular vocative)
kyzy (plural vocative)
kyzu (locative singular)
kyzech (locative plural)
kyzem (instrumental singular)
kyzy (instrumental plural)


kazivec

cs-noun

kazivec m inan (related adjective kazivcový)

kazivcový (adjective)
kazivec (nominative singular)
kazivce (nominative plural)
kazivce (genitive singular)
kazivců (genitive plural)
kazivci (dative singular)
kazivcům (dative plural)
kazivec (accusative singular)
kazivce (accusative plural)
kazivci (singular vocative)
kazivce (plural vocative)
kazivci (locative singular)
kazivcích (locative plural)
kazivcem (instrumental singular)
kazivci (instrumental plural)

Coined by Bohemian botanist Jan Svatopluk Presl from kazivý + -ec.


akvamarín

cs-noun

akvamarín m inan (related adjective akvamarínový)

akvamarínový (adjective)
akvamarín (nominative singular)
akvamaríny (nominative plural)
akvamarínu (genitive singular)
akvamarínů (genitive plural)
akvamarínu (dative singular)
akvamarínům (dative plural)
akvamarín (accusative singular)
akvamaríny (accusative plural)
akvamaríne (singular vocative)
akvamaríny (plural vocative)
akvamarínu (locative singular)
akvamarínech (locative plural)
akvamarínem (instrumental singular)
akvamaríny (instrumental plural)

From German Aquamarin, from Latin aqua (“water”) + marinus (“marine”).

(mineralogy) aquamarine (bluish-green variety of beryl)