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Nordenskioldine: CaSnB2O6 Magnetite: Fe++Fe+++2O4
Comments: Colorless to white bladed crystals of nordenskiöldine with black magnetite.
Location: Pöhla-Tellerhäuser Gallery, Pöhla, Schwarzenberg District, Erzgebirge, Saxony, Germany.
Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag