AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from South Africa > Sturmanite

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Sturmanite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

 
Sturmanite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

Sturmanite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

Sturmanite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

DESCRIPTION:No. 77702
Mineral:Sturmanite
Locality:N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa
Description:Lustrous transparent-to-translucent yellow-brown sturmanite crystals fully crystallized all around. The sturmanite crystals are dipyramidal hexagonal form and there are reentrant faces on the largest crystals indicating they are contact-twinned. Ex. Georg Gebhard (author of Tsumeb I and II)
Overall Size:23x18x12 mm
Crystals:8-14 mm
Archived: For reference only

 

 

 

 

 

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