Rosenbergite / Rosenbergit
AlF[F0.5(H2O)0.5]4·H2O
Colourless crystals of rosenbergite. Le Cetine Mine, Siena, Tuscany, Italy. Picture size 1.3 mm. Collection and foto Thomas Witzke.
Farblose Rosenbergit-Kristalle. Le Cetine Mine, Siena, Tuscany, Italy. Bildbreite 1,3 mm. Sammlung und Foto Thomas Witzke.
© Thomas Witzke / Stollentroll