Fluor spar \Flu"or spar`\ (Min.)
See {Fluorite}.
[1913 Webster]
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]