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Helvite, genthelvite, quartz, calcite
Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia A.R., China
75 mm × 52 mm × 37 mm. Main crystal size: 15 mm × 13 mm (Author: Carles Millan)
| Dimensions: | 670 x 561 |
| File size: | 56.08 kbytes |
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