calcite
Noun
Meaning
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.
Source: Webster's dictionarySynonyms
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Ambient carbon dioxide, due to its acidity, has a slight solubilizing effect on calcite.
Coral atolls are also an important place where dolomitization of calcite occurs.
Below about 3,000 meters, water pressure and temperature conditions cause the dissolution of calcite to increase nonlinearly, so limestone typically does not form in deeper waters (see lysocline ).
Calcite cement is an assortment of smaller calcite crystals.
Calcium carbonate is deposited where evaporation of the water leaves a solution supersaturated with the chemical constituents of calcite.
Chesterman and Lowe, pp. 15–16 Rocks like limestone or quartzite are composed primarily of one mineral— calcite or aragonite in the case of limestone, and quartz in the latter case.