Quartz, Fluorite
W.L. Davis-Deardorff Mine, Ozark-Mahoning group, Cave-in-Rock Sub-District, Hardin County, Illinois, USA
13.3 x 8.1 cm
(Author: am mizunaka)
| Dimensions: | 1600 x 1034 |
| File size: | 389.56 kbytes |
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