Calcita (variedad Calcita cobaltÃfera)
Mashamba West Mine, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), República Democrática del Congo (Zaïre)
Campo de visión 4 mm. (Autor: Juan Miguel)
| Dimensions: | 1600 x 1060 |
| File size: | 244 kbytes |
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