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Calcite with Dolomite and Sphalerite
Picher Field, Tri-State District, Ottawa Co., Oklahoma, USA
Specimen size: 12x11 cm.
Main crystal: 4´5 cm.
Photo: geoalfon (Author: Jordi Fabre)
| Dimensions: | 600 x 450 |
| File size: | 37.12 kbytes |
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