Fluorite

['flʊəraɪt;'flɔː-] or ['flʊə,raɪt]

解释:

(noun.) a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine.

贝茜手打--From WordNet

解释:

(n.) Calcium fluoride, 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.

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