Gerstleyite / Gerstleyit
Red crystals and massive aggregates of gerstleyite. Boron, California, USA. Picture size 5 mm. Collection and foto Thomas Witzke.
Rote Kristalle und massive Aggregate von Gerstleyit. Boron, California, USA. Bildbreite 5 mm. Sammlung und Foto Thomas Witzke.
© Thomas Witzke / Stollentroll