Bulfonteinite - N'Chwaning II Mine, South Africa - 4.1 x 2.7 cm
Mineral: Bulfonteinite
Locality: N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
Dimensions: 4.1 x 2.7 cm