Dioptase, Mottramite
Small Cabinet, 7.0 x 6.0 x 3.7 cm
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia

A showy, excellent and uncommon Tsumeb specimen of tiny, gemmy and sparkly, emerald-green dioptase crystals richly dusting nubby, knobby mottramite. The matte-finish mottramite rests on a nicely contrasting rind of white calcite on matrix.