Hypertext Webster Gateway: "fluorite"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Fluorite \Flu"or*ite\, n. (Min.)
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}.
From WordNet (r) 1.7 (wn)
fluorite
n : a soft mineral (calcium fluoride) that is fluorescent in
ultraviolet light; chief source of fluorine [syn: {fluorspar},
{fluor}]
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