meaning of fluorite
1. 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.
2. a soft mineral calcium fluoride that is fluorescent in ultraviolet light; chief source of fluorine
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