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Heteromorphite needles in quartz vug from Himmelfahrt mine, Freiberg, Erzgebirge, Saxony. With Wilhelm Koch label (about 1870). Maybe jamesonite, very rare sample though. (Author: Andreas Gerstenberg)
| Dimensiones: | 600 x 484 |
| Tamaño fichero: | 32.19 kbytes |
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