Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:HECTORITE
Formula:Na0.3(Mg,Li)3Si4O10(F,OH)2
Crystal System:Monoclinic
Strunz Nr:8/H.20-10
Group:Smectite Group
References:Clays Clay Min. 8 (1959), 150; HB2/1 (1995)
Type Locality:Hector Bentonite mines, San Brenardino Co., California, USA

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