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Fluorite, Calcite
"Green Tracts (North Green Mine, East Green Mine, West Green Mine), Bethel Level, Ozark-Mahoning group, Cave-in-Rock Sub-District, Hardin County, Illinois, USA
5.3 x 4.8 x 5.2 cm
(Author: Don Lum)
| Dimensions: | 1600 x 1396 |
| File size: | 216.97 kbytes |
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