Group: Carbonate

Mineral: Calcite

Chemical Composition: CaCO3

Common Characteristics: White or colorless; cleavage in 3 planes forms rhombohedra;fizzes in dilute acid

Mineral: Dolomite

Chemical Composition: CaMg(CO3)2

Common Characteristics: White or transparent; cleaves into rhombohedra; powdered form fizzes in dilute acid

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