Dioptase, Calcite
Miniature, 4.0 x 3.2 x 2.0 cm
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia

Dioptase beautiful green crystal perched atop a single euhedral crystal of calcite and measures 1.8 cm tip to tip. Near the large dioptase are a half-dozen gemmy little crystals. 4 x 3.2 x 2.0 cm