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Calcite (variety cobalt-bearing calcite)
Kakanda, Kambove District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire)
7 x 6.5 x 6.5 cm / main crystal: 2.8 cm.
(Author: MIM Museum)
| Dimensions: | 1600 x 1600 |
| File size: | 408.53 kbytes |
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