Strand Length: 39 cm /15 inches

It was collected in 2002 and is a miniature size group of well terminated crystals with nice sharp edges

mineralogically

Product Type: Alexandrite Cats Eye

Dioptase on Calcite | Emerald Green Crystals | 116.72 Gr | Tsumeb Mine, Otavi, Namibia | SO24 UNWA Strand Length: 39 cm /15This specimen shows a group of well shaped emerald green dioptase crystals on pearly white calcite crystals . Dioptase is an uncommon copper mineral prized for its intense green colour. It is found in only a few copper mines world wide, but the best examples come from Tsumeb, Namibia. The Tsumeb Mine, one of the most famous mineral localities globally, produced dioptase with deep green hues, high clarity, and sharp crystal formations. Unlike dioptase