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

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

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

Below: fluorescence under ultraviolet illumination
Calcite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

DESCRIPTION:No. 50088
Mineral:Calcite
Locality:N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa
Description:Translucent pale-link scalenohedral calcite crystals on brown manganese ore. The calcite crystals fluoresce orange under UV illumination caused by manganese impurities. Ex. George Elling; ex.Charlie Key collection
Overall Size:3.5x3x2.5 cm
Crystals:1-8 mm
Status: For reference only
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