Eudidymite / Eudidymit
Na2Be2(Si6O15)·H2O
Tabular crystals of eudidymite. Narsarsuk, Julianehaab, Greenland. Picture size 7 mm. Collection and fOto Thomas Witzke.
Tafelige Eudidymit-Kristalle. Narsarsuk, Julianehaab, Grönland. Bildbreite 7 mm. Sammlung und Foto Thomas Witzke.
© Thomas Witzke