SWJ0032 - Finest Grade Pink Cobaltoan Calcite Crystals on Matrix - Bou Azzer Mine (Morocco)

This is a beautiful, 68mm wide cluster of finest grade pink Cobaltoan calcite from the famous Bou Azzer Mines (South Morocco)

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.

Size: 66 x 68 x 36mm
Weight: 146g
Ref: SWJ0032