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Calcite
Huanggang Mine #5, Chifeng Pref., Inner Mongolia AR, China
9.5 x 16.0 cm
A group of club-shaped manganese-rich calcite crystals. There are small hedenbergite-included quartz crystals on the backside. (Author: crosstimber)
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| Tamaño fichero: | 201.64 kbytes |
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