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constituent in igneous and metamorphic rocks. ..... click the link for more information. , calcite calcite , very widely distributed mineral, commonly white or colorless, but appearing in a great variety of colors owing to impurities. chemically it is calcium carbonate, caco , but it frequently contains manganese
place of the calcium. ..... click the link for more information. , dolomite dolomite . mineral, calcium magnesium carbonate, camg (co ) . it is commonly crystalline and is white, gray, brown, or reddish in color with a vitreous to pearly luster. the magnesium is sometimes replaced in part by iron or manganese...
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