So let´s start then with a real German classic: a 4 x 3 cm cerussite crystal from Friedrichssegen Mine near Bad Ems, Nassau, Rhineland-Palatinate with original label from the Freiberg Bergakademie (about 1910). (Author: Andreas Gerstenberg)
| Dimensiones: | 600 x 386 |
| Tamaño fichero: | 28 kbytes |
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