| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Pennsylvania > Chalcopyrite |
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| DESCRIPTION: | No. 53086 |
| Mineral: | Chalcopyrite |
| Locality: | French Creek Iron Mines, St. Peters, Chester County, Pennsylvania |
| Description: | Complex cluster of parallel tetrahedral yellow-metallic chalcopyrite crystals with no matrix. The chalcopyrite crystals were embedded in calcite that was etched away to expose the pristine chalcopyrite crystals. |
| Overall Size: | 4x4x3 cm |
| Crystals: | 4-10 mm |
| Archived: | For reference only |
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