"stillwellite" meaning in English

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  "etymology_text": "Named after Australian mineralogist Frank Leslie Stillwell (1888–1963), + -ite. As a rare earth mineral ore, it usually requires a suffix of the element (i.e. Stillwellite-(Ce)).",
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        "A trigonal-pyramidal rare earth borosilicate mineral."
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  "word": "stillwellite"
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  "etymology_text": "Named after Australian mineralogist Frank Leslie Stillwell (1888–1963), + -ite. As a rare earth mineral ore, it usually requires a suffix of the element (i.e. Stillwellite-(Ce)).",
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