Quartz, Calcite, jouravskite?, manganite
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
F.O.V. about 33 mm
(Author: Pierre Joubert)
| Dimensions: | 784 x 900 |
| File size: | 206.64 kbytes |
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