Meaning of calcite

cal•cite

Pronunciation: (kal'sīt), [key]
— n.
  1. one of the commonest minerals, calcium carbonate, CaCO, found in a great variety of crystalline forms: a major constituent of limestone, marble, and chalk; calc-spar.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: