SWJ0034 - Finest Grade Pink Cobaltoan Calcite Crystals on Matrix - Bou Azzer Mine (Morocco) Bone_Claw Müller and Henle 1838 (nurse

Müller and Henle 1838 (nurse shark)

Location: South Morocco

Arthropomata

48'' Unprepared Cambropallas telesto Middle Cambrian Trilobite

Ptychaspididae

SWJ0034 - Finest Grade Pink Cobaltoan Calcite Crystals on Matrix - Bou Azzer Mine (Morocco) Bone_Claw Müller and Henle 1838 (nurseThis 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: 68 x 40