AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from South Africa > Olmiite with minor Calcite

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

   

Olmiite with minor Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

 
Olmiite with minor Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite with minor Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite with minor Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite with minor Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite with minor Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Photo below under shortwave ultraviolet illumination:
Olmiite with minor Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Photo below under longwave ultraviolet illumination:
Olmiite with minor Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

DESCRIPTION:No. 80487
Mineral:Olmiite with minor Calcite
Locality:N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)
Description:Pristine hemispherical formation of medium-pink olmiite crystals with no matrix on the bottom. The olmiite crystals are arranged in linear groups of subparallel crystals on the convex surfaces and fluoresce red under SW-LW UV illumination. Ex. Miller #M2805; ex. Betts #60892
Overall Size:34x34x20 mm
Crystals:4-6 mm
Archived: For reference only

 

 

 

 

 

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