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Massive berthierite with characteristic blue tarnish. 9 cm rich ore sample from Heinrich Stehender vein, 13th level, Alte Hoffnung Gottes mine, Kleinvoigtsberg near Freiberg, Saxony. (Author: Andreas Gerstenberg)
| Dimensions: | 714 x 530 |
| File size: | 81.92 kbytes |
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