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Fluorite
Minerva I Mine, Rosiclare formation, Ozark-Mahoning group, Cave-in-Rock Sub-District, Hardin County, Illinois, USA
5.5 x 9.7 x 11.4 cm / main crystal: 11.1 cm
(Author: MIM Museum)
| Dimensions: | 1280 x 1600 |
| File size: | 274.01 kbytes |
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