Cobaltoan calcite
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3). The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 3 as "calcite". The Cobaltoan calcite is a variety of calcite containing Co2+ replacing Ca, that's the reason for its pretty pink color.
SWJ0033 - Finest Grade Pink Cobaltoan Calcite Crystals on Matrix - Bou Azzer Mine (Morocco)
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SWJ0034 - Finest Grade Pink Cobaltoan Calcite Crystals on Matrix - Bou Azzer Mine (Morocco)
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