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Chalcedony
Mogila deposit, Septemvri Mine, Madan District, Bulgaria
5.5 x 6.7 cm.
Pale blue botryoidal chalcedony on a white silicified boxwork matrix. An unusual occurence at this location. (Author: crosstimber)
| Dimensions: | 750 x 562 |
| File size: | 39.42 kbytes |
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