| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Fluorite |
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| DESCRIPTION: | No. 12425 |
| Mineral: | Fluorite |
| Locality: | Cave-in-Rock District, Hardin County, Illinois |
| Description: | Dark purple fluorite crystals up to 3 cm in a parallel formation. The crystal surfaces have an unusual black resinous coating that looks like fluorite until viewed with backlighting. Originally acquired in 1969. Ex. Dr. Eugene E. Sensel (1911-2000) collection #G789 |
| Overall Size: | 10x8x4 cm |
| Crystals: | 1-3 cm |
| Archived: | For reference only |
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