Min. [mod. (Haidinger 1845 calcit) f. L. calc-em lime + -ITE, q.v.] The native crystallized rhombohedral anhydrous carbonate of lime (calcium carbonate), which exists in an immense variety of forms: calc-spar, calcareous spar. Taken by Dana as the type of the Calcite Group of anhydrous carbonates. Also attrib.

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1849.  Murchison, Siluria, App. 547. A change into crystalline calcite.

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1874.  Dawkins, Cave Hunt., ii. 64. Lined with glittering crystals of calcite.

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1878.  Bates, Centr. Amer., vi. 81. Brown and black blende in quartz and calcite seams.

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