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Pyrite
Dongchuan orefield, Kunming Pref., Yunnan Prov., China
6.5 x 6.7 cm
These things have always fascinated me. Concentric rings of metallic pyrite encircling a spherical slate concretion. (Author: crosstimber)
| Dimensions: | 800 x 591 |
| File size: | 79.1 kbytes |
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