[kal-sahyt] 
| one of the commonest minerals, calcium carbonate, CaCO3, found in a great variety of crystalline forms: a major constituent of limestone, marble, and chalk; calc-spar. |
| cal·cite (kāl'sīt') n. A common crystalline form of natural calcium carbonate, CaCO3, that is the basic constituent of limestone, marble, and chalk. Also called calcspar. cal·cit'ic (-sĭt'ĭk) adj. |
| calcite (kāl'sīt') Pronunciation Key
A usually white, clear, pale-yellow or blue orthorhombic mineral. Calcite occurs in many different forms and is the main component of chalk, limestone, and marble. It is a polymorph of aragonite. Chemical formula: CaCO3. |
saɪt