Fibroferrite / Fibroferrit
Fe3+(SO4)(OH)·5H2O
Fibroferrite. Ronneburg, Thuringia, Germany. Picture size 2 mm. Collection and foto Thomas Witzke.
Fibroferrit. Ronneburg, Thüringen, Deutschland. Bildbreite 2 mm. Sammlung und Foto Thomas Witzke.
© Thomas Witzke / Stollentroll