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MINERAL FOTO ATLAS Gjerdingenite-Fe / Gjerdingenit-Fe K2Fe(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O Brown crystals of gjerdingenite-Fe. Gjerdingen, Lunner, Oppland, Norway. Picture size 1.2 mm. Collection and foto Thomas Witzke. Braune Kristalle von Gjerdingenit-Fe. Gjerdingen, Lunner, Oppland, Norwegen. Bildbreite 1,2 mm. Sammlung und Foto Thomas Witzke. © Thomas Witzke |
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