Dioptase, Mottramite
Small Cabinet, 7.3 x 6.2 x 6.0 cm
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia

Dioptase on mottramite is rare from the Tsumeb Mine. This fine, old-time specimen features very gemmy, emerald-green dioptase crystals to 3 mm aesthetically scattered on the vuggy, botryoidal mottramite crust covering the matrix. Ex. Mullane Collection.