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These mineral photos are copyrighted by their owners and may not be used without permission.
Comments: Dark gray tabular crystals of Mückeite.
Location: Grüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Betzdorf, Siegen District (W), Rhineland-Palatinate, Germany.
Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag