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Olmiite
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
1.8 x 2.0 cm
(Author: crosstimber)
| Dimensions: | 1600 x 1147 |
| File size: | 206.71 kbytes |
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