| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Fluorite with Chalcopyrite |
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| DESCRIPTION: | No. 53349 |
| Mineral: | Fluorite with Chalcopyrite |
| Locality: | Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois |
| Description: | Lustrous cubic fluorite crystal with translucent yellow core zone, deep purple 1 mm thick intermediate zone, and transparent blue outer zone. Small metallic chalcopyrite crystals to 1 mm are visible inside the fluorite. |
| Overall Size: | 28x27x26 mm |
| Crystals: | 0.5-26 mm |
| Archived: | For reference only |
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