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Neustadtelite: Bi2Fe+++(Fe+++,Co)(O,OH)2(OH)2(AsO4)2
Comments: Small brown crystals of neustadtelite in matrix. Location: Sauschwart mine, Schneeberg, Erzgebirge, Saxony, Germany. Scale: Picture Size 1.5 mm. © Thomas Witzke
Comments: Scanning electron microscope micrograph of neustadtelite. (AmMin 87:728). Location: Mine dumps of the Güldener Falk mine near Schneeberg-Neustädtel, Saxony, Germany. Scale: Scale Bar 15 µm. © American Mineralogist