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

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

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

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

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

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

DESCRIPTION:No. 60902
Mineral:Olmiite on Calcite
Locality:N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)
Description:Three spherical clusters to 8 mm diameter of lustrous transparent medium-pink olmiite crystals to 4 mm on lustrous transparent colorless scalenohedral calcite crystals to 2 mm. The olmiite crystals fluoresce weak red under SW UV illumination.
Overall Size:30x28x26 mm
Crystals:1-4 mm
Status: For reference only
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