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Walpurgite
Walpurgis Flacher vein, Weißer Hirsch mine, Schneeberg, Saxony, Germany.
4 mm aggregate
4 mm walpurgite aggregate on quartz from the type locality, Weißer Hirsch mine near Schneeberg, Saxony. From the original find in 1871, collected by Richard Tröger (trögerite!). With original label. (Author: Andreas Gerstenberg)
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