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

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Calcite with Dioptase and Duftite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for Duftite)

 
Calcite with Dioptase and Duftite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for Duftite)

Calcite with Dioptase and Duftite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for Duftite)

Calcite with Dioptase and Duftite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for Duftite)

Calcite with Dioptase and Duftite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for Duftite)

Calcite with Dioptase and Duftite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for Duftite)

Photo below under shortwave ultraviolet illumination:
Calcite with Dioptase and Duftite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for 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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