- Mottramite, Dolomite (Var: Cobaltoan Dolomite)
- Small Cabinet, 8.0 x 7.0 x 3.3 cm
- Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
A fine combination specimen from the Tsumeb Mine and Rob Smith Collection. Green mottramite coats a concave crust of cobaltoan dolomite casted after calcite rhombs. Unusual and uncommon Tsumeb material.