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Mahogany paper grain — description and returns beneath the overlapping buy card.
Its tooth are tremendously sharp and present a slight curvature
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
- Dirqadim Gaffney et al
Unidentified specimen
Subtaxa: Stephanodus lybicus
20859 - Pink Cobaltoan Calcite Crystals on Matrix - Bou Azzer Mine (South Morocco) Claw Its tooth are tremendously sharpCalcite 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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