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Dark red ianthinite crystals, alterating to yellow schoepite as a 3 mm aggregate on quartz from the Krunkelbach Uranium prospect, Menzenschwand, Black Forest. (Author: Andreas Gerstenberg)

Dark red ianthinite crystals, alterating to yellow schoepite as a 3 mm aggregate on quartz from the Krunkelbach Uranium prospect, Menzenschwand, Black Forest. (Author: Andreas Gerstenberg)

Dimensions: 561 x 446
File size: 44.38 kbytes
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