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Sphalerite
Borieva Mine, Madan District, Smolyan Oblast, Bulgaria
8.0 x 9.0 cm.
Lustrous, black sphalerite crystals to 2.5 cm. with slender, transparent quartz crystals. Mined in 2006. (Author: crosstimber)
| Dimensions: | 750 x 498 |
| File size: | 61.47 kbytes |
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