Sturmanita.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
70x40 mm.
(Autor: Jesus Franquesa Baucells)
| Dimensions: | 600 x 742 |
| File size: | 121.69 kbytes |
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