Bentorite / Bentorit
Ca6(Cr,Al)2(SO4)3(OH)12 · 26 H2O
Purplish bentorite. Hatrurim formation, Negev desert, Israel. Specimen size 29 mm. Collection and foto Thomas Witzke.
Violetter Bentorit. Hatrurim Formation, Negev Wüste, Israel. Größe des Exemplars 29 mm. Sammlung und Foto Thomas Witzke.
© Thomas Witzke / Stollentroll