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The above shown galena from Isaak Erbstolln, Halsbrücke, Freiberg district, Saxony after cleaning. Now the quartz matrix shows pale violet colour! The corroded crystal measures 2 x 1,5 cm. (Author: Andreas Gerstenberg)
| Dimensions: | 720 x 540 |
| File size: | 40.2 kbytes |
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