Silver wires in quartz vugg from Neue Hoffnung Gottes mine, Bräunsdorf, Erzgebirge, Saxony. Although this mine was a silver mine, native silver quite scarsely occured. Picture width: 4 mm. (Author: Andreas Gerstenberg)
Dimensiones: | 532 x 600 |
Tamaño fichero: | 27.87 kbytes |
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