| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Fluorite with Chalcopyrite |
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| DESCRIPTION: | No. 55094 |
| Mineral: | Fluorite with Chalcopyrite |
| Locality: | Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois |
| Description: | Large rectangular transparent fluorite crystal with yellow-metallic chalcopyrite microcrystals on the surfaces. The fluorite is transparent blue, with banded purple zones, and a translucent yellow core. One corner on the right end is cleaved. Ex. Dr. N. Luppescu |
| Overall Size: | 10x6x6 cm |
| Crystals: | micro to 100 mm |
| Archived: | For reference only |
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