Samuelsonite / Samuelsonit
Ca9Mn2+4Al2(PO4)10(OH)2
Samuelsonite crystal. Palermo No. 1 Pegmatite, North Groton, New Hampshire, USA. Picture size 2.2 mm. Collection and foto Thomas Witzke.
Samuelsonit-Kristall. Palermo No. 1 Pegmatit, North Groton, New Hampshire, USA. Bildbreite 2.2 mm. Sammlung und Foto Thomas Witzke.
© Thomas Witzke / Stollentroll