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Chalcopyrite, Sphalerite, Galena and Quartz. Deveti Septemvri Mine, Mogila Deposit, Madan Ore Field, Sth Rhodope Mts, Smolyan Oblast, Bulgaria. 12 x 9 x 8 cm. (Author: Samuel)
| Dimensions: | 750 x 500 |
| File size: | 71.46 kbytes |
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