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

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

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

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

Below: fluorescence under ultraviolet illumination
Olmiite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

DESCRIPTION:No. 50400
Mineral:Olmiite
Locality:N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)
Description:Hemispherical formation of lustrous tan-colored olmiite crystals fully crystallized all around. the olmiite crystals completely filled the cavity where it formed, and intersected the opposing cavity wall at two places on the top. Ex. George Elling; ex.Charlie Key collection
Overall Size:3.5x3x2.5 cm
Crystals:3-5 mm
Status: For reference only
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