Sturmanita
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
Campo de visión 3,5 cm.
(Autor: Antonio P. López)
| Dimensions: | 1600 x 1200 |
| File size: | 620.49 kbytes |
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