calcite

(kalsīt′)

noun

a soft, rhombohedral form of calcium carbonate, CaCO, found in marble, limestone, and chalk

Origin: < L calx (see calcium) + -ite

See calcite in American Heritage Dictionary 4

noun
A common crystalline form of natural calcium carbonate, CaCO3, that is the basic constituent of limestone, marble, and chalk. Also called calcspar.

Related Forms:

  • cal·citˈic (-sĭtˈĭk) adjective

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calcite

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