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Quartz, Chalcopyrite, Dolomite
Fengjiashan Mine (Daye copper mine), Daye Co., Huangshi Prefecture, Hubei Province, China
6.5 x 6.0 cm (Author: Don Lum)
| Dimensions: | 1600 x 1325 |
| File size: | 370.37 kbytes |
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