- Calcite, Dioptase
- Cabinet, 13.0 x 8.0 x 6.0 cm
- Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
A fine and colorful specimen with deep green dioptase inclusions inside clear calcite rhombohedra. The inclusions are, unusually, oriented along several planes of the crystal such that they leave a colorless rim of clear calcite around the included areas. Ex. Willy Israel Collection.