Calcite
N’Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape, South Africa
35 x 23 mm
A most bizarre little specimen! Clear calcite has overgrown, what appears to be, upside down calcite crystals, overcoated by some unknown mineral. (Author: Pierre Joubert)
| Dimensiones: | 683 x 750 |
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