AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Namibia > Dioptase on Calcite

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Dioptase on Calcite from Tsumeb Mine, 2nd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia

 
Dioptase on Calcite from Tsumeb Mine, 2nd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia

Dioptase on Calcite from Tsumeb Mine, 2nd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia

Dioptase on Calcite from Tsumeb Mine, 2nd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia

Dioptase on Calcite from Tsumeb Mine, 2nd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia

Dioptase on Calcite from Tsumeb Mine, 2nd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia

Dioptase on Calcite from Tsumeb Mine, 2nd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia

Dioptase on Calcite from Tsumeb Mine, 2nd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia

Dioptase on Calcite from Tsumeb Mine, 2nd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia

Dioptase on Calcite from Tsumeb Mine, 2nd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia

Photo below under shortwave ultraviolet illumination:
Dioptase on Calcite from Tsumeb Mine, 2nd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia

DESCRIPTION:No. 73925
Mineral:Dioptase on Calcite
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
Status: Sold - Posted here for reference only
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