Olmiite, Calcite - N'Chwaning II Mine, South Africa - 30mm x 30mm x 20mm
Mineral: Olmiite, Calcite
Locality: N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
Dimensions: 30mm x 30mm x 20mm