07633 - Pink Cobaltoan Calcite Crystals on Matrix - Bou Azzer Mine (South Morocco) Notinodon This is a very special
Yard notes & kiln story
Description
This is a very special small-sized theropod dinosaur tooth
Orphanaspis
Hyposaurinae
Case and D
In the same way
07633 - Pink Cobaltoan Calcite Crystals on Matrix - Bou Azzer Mine (South Morocco) Notinodon This is a very specialCalcite 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.