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Tetrahedrite
Pachapaqui District, Bolognesi Province, Ancash Department, Peru
5.8 x 8.7 cm.
Metallic black tetrahedrite crystals with manganoan calcite and quartz on a sulfide matrix. (Author: crosstimber)
| Dimensions: | 800 x 517 |
| File size: | 67.49 kbytes |
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