This specimen is priced in US dollars, all other prices are approximate.
Sharply formed rhombic crystals of Calcite measuring to 1.5cm are inter-grown over the display face of the specimen from the Tsumeb Mine, Namibia. Lustrous bright emerald green crystals of Dioptase forms a crystal zone in and on the other edge of the Calcite. Followed by a late phase growth of white-colourless Dolomite exhibiting a pearly lustre, forming a druse over the Calcite and mostly envelopes the Dioptase.