AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Namibia > Calcite with Dioptase and Duftite |
DESCRIPTION: | No. 23591 |
Mineral: | Calcite with Dioptase and Duftite |
Locality: | Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for Duftite) |
Description: | Double-sided specimen with rhombohedral olive-green calcite crystals to 18 mm with thin coating on selected faces of green duftite up to 0.2 mm and lustrous transparent green dioptase up to 1.5 mm. The calcite fluoresces orange under UV illumination. Ex. Michael D. McMillan collection (S. Africa) |
Overall Size: | 13x10x6 cm |
Crystals: | 0.2-18 mm |
Archived: | For reference only |
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