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Rhodochrosite, Quartz (variety chalcedony)
N'Chwaning I Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
9.0 x 5.8 cm
(Author: am mizunaka)
| Dimensions: | 1600 x 1055 |
| File size: | 308.76 kbytes |
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