| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Fluorite |
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| DESCRIPTION: | No. 50239 |
| Mineral: | Fluorite |
| Locality: | Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois |
| Description: | Transparent cubic fluorite crystal with translucent red-yellow core zone surrounded by a transparent blue outer zone. One edge of the fluorite crystal has a spherical cavity where it crystallized around barite or possibly calcite crystals that dissolved. Ex. Roy A. Smith (1935-2014) collection |
| Overall Size: | 6x4x3.5 cm |
| Crystals: | 40 mm |
| Archived: | For reference only |
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