| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Fluorite with Chalcopyrite |
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| DESCRIPTION: | No. 42329 |
| Mineral: | Fluorite with Chalcopyrite |
| Locality: | Cave-in-Rock District, Hardin County, Illinois |
| Description: | Cluster of many cubic fluorite crystals with nearly colorless interiors and transparent blue-purple outer layers. Metallic chalcopyrite crystals up to 1 mm across are included on one side. Two crystals have triangular cleavage faces on one corner. |
| Overall Size: | 3.5x3x2.5 cm |
| Crystals: | 1-15 mm |
| Archived: | For reference only |
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