Quartz, Calcite - N'Chwaning mining area, South Africa - 6.5 x 4.2 cm

Mineral: Quartz, Calcite
Locality: N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
Dimensions: 6.5 x 4.2 cm

Description: Quartz coating calcite with smaller quartz scattered about the matrix.