Fluorite

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From WordNet (r) 2.0 [wn]:

  fluorite
       n : a soft mineral (calcium fluoride) that is fluorescent in
           ultraviolet light; chief source of fluorine [syn: {fluorspar},
            {fluor}]