Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:BENTORITE
Formula:Ca6(Cr,Al)2(SO4)3(OH)12 · 26H2O
Crystal System:Hexagonal
Strunz Nr:6/D.13-20
Group:Ettringite Group
References:Isr. J. Earth Sci. 29 (1980), 81; HB5 (2003)
Type Locality:Hatrurim formation, near the Arad-Sodom road, Dead Sea, Negev Desert, Israel

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