The Collaborative International Dictionary of English v.0.48:

Fluoride \Flu"or*ide\ (? or ?; 104), n. [Cf. F. fluoride.]
   (Chem.)
   A binary compound of fluorine with another element or
   radical.
   [1913 Webster]

   Calcium fluoride (Min.), fluorite, CaF2. See Fluorite.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

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]