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Fluorite, Barite
Minerva No. 1 Mine, Ozark-Mahoning Group, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA
16 cm (Author: laayla21506)
| Dimensions: | 1600 x 1200 |
| File size: | 271.21 kbytes |
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