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20859 - Pink Cobaltoan Calcite Crystals on Matrix - Bou Azzer Mine (South Morocco) Claw Strangely weird specimen

USD124.50 USD171.50
SKU 94527044119
4.7

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Description

Strangely weird specimen

Unidentified specimen

Risnes 2005

The basin has a so great continuity in its stratigraphic record that both the Upper Cretaceous as well as the two first epochs of the Paleogene (Paleocene and Eocene) can be studied

20859 - Pink Cobaltoan Calcite Crystals on Matrix - Bou Azzer Mine (South Morocco) Claw Strangely weird specimenCalcite 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.

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