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Calcite
Mogila deposit, Septemvri Mine, Madan District, Smolyan Oblast, Bulgaria
9.0 x 10.0 cm.
Unusual zoned hexagonal calcite crystals with chalcopyrite and secondary crystal development on the pinacoid faces. Mined in 1980. (Author: crosstimber)
| Dimensions: | 750 x 518 |
| File size: | 51.02 kbytes |
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