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Harmotom crystals (5-9 mm) in a calcite vugg from Idar-Oberstein, Rhineland-Palatinate. Old material from Salomon-Calvi collection/Berlin. (Author: Andreas Gerstenberg)

Harmotom crystals (5-9 mm) in a calcite vugg from Idar-Oberstein, Rhineland-Palatinate. Old material from Salomon-Calvi collection/Berlin. (Author: Andreas Gerstenberg)

Dimensions: 600 x 450
File size: 40.99 kbytes
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