Dioptase on Calcite from Tsumeb Mine, 2nd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia
Photo below under shortwave ultraviolet illumination:
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| DESCRIPTION: | No. 73925
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| Mineral: | Dioptase on Calcite
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| Locality: | Tsumeb Mine, 2nd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia |
| Description: | Lustrous transparent emerald-green dioptase crystals to 10 mm over lustrous translucent colorless rhombohedral calcite crystals to 3 mm. Dioptase from Tsumeb is now difficult to obtain. The calcite crystals fluoresce orange under SW UV illumination. Ex. Georg Gebhard (author of Tsumeb I and Tsumeb II, the definitive reference books on Tsumeb); collected ca. 1980 |
| Overall Size: | 5.5x3.5x3 cm |
| Crystals: | micro to 10 mm |
| Archived: | For reference only |
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