Quintinite / Quintinit
[Mg4Al2(OH)12][(CO3)(H2O)3]
Light brownish quintinite crystals. Jacupiranga, Cajati, Sao Paulo, Brazil. Picture size 7 mm. Collection and photo Thomas Witzke.
Hell bräunliche Quintinit-Kristalle. Jacupiranga, Cajati, Sao Paulo, Brasilien. Bildbreite 7 mm. Sammlung und Foto Thomas Witzke.
© Thomas Witzke / Stollentroll