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fluorite 音標拼音: [fl'ʊr,ɑɪt] [fl'ɔr,ɑɪt] n. 螢石 螢石 fluorite n 1: a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine [synonym: {fluorite}, {fluorspar}, {fluor}] Fluorite \Flu"or*ite\, n. (Min.)
Calcium fluoride ({CaF2}), a mineral of many different colors, white, yellow, purple, green, red, etc., often very beautiful, crystallizing commonly in cubes with perfect octahedral cleavage; also massive. It is used as a flux. Some varieties are used for ornamental vessels. Also called {fluor spar}, or simply {fluor}. [1913 Webster]
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