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

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

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

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

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

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

DESCRIPTION:No. 71954
Mineral:Olmiite
Locality:N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)
Description:Lustrous translucent pink olmiite crystals in a large hemispherical formation 30 mm diameter on a fragment of black Mn-oxide. The olmiite crystals appear red when viewed under incandescent illumination and fluoresce deep red under UV illumination.
Overall Size:3.5x3x2 cm
Crystals:15 mm
Status: For reference only
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