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13 cm wide amethyste geode from Juchem quarry, Niederwörresbach, Rhineland-Palatinate. (Author: Andreas Gerstenberg)

13 cm wide amethyste geode from Juchem quarry, Niederwörresbach, Rhineland-Palatinate. (Author: Andreas Gerstenberg)

Dimensions: 600 x 450
File size: 35.91 kbytes
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