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

calcite \cal"cite\ ka^l"simact, n. l. calx, calcis,
   lime. min.
   calcium carbonate, or carbonate of lime. it is rhombohedral
   in its crystallization, and thus distinguished from
   aragonite. it includes common limestone, chalk, and marble.
   called also calc-spar and calcareous spar.
   1913 webster

   note: argentine is a pearly lamellar variety; aphrite is
         foliated or chalklike; dogtooth spar, a form in acute
         rhombohedral or scalenohedral crystals; calc-sinter and
         calc-tufa are lose or porous varieties formed in
         caverns or wet grounds from calcareous deposits; agaric
         mineral is a soft, white friable variety of similar
         origin; stalaclite and stalagmite are varieties formed
         from the drillings in caverns. iceland spar is a
         transparent variety, exhibiting the strong double
         refraction of the species, and hence is called doubly
         refracting spar.
         1913 webster
see also:
calc-spar calcareous spar 

[2] : WordNet (r) 2.0

calcite
     n : a common mineral consisting of crystallized calcium
         carbonate; a major constituent of limestone

Calcite >> C Words
Calcite, definition of term: Calcite
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