Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:PHILLIPSITE-Ca
Formula:(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] · 12H2O
Crystal System:Monoclinic pseudo Orthorhombic
Strunz Nr:8/J.25-60
Group:Zeolite Group Phillipsite series
References:NJMM (1990), 467; HB2/2 (1995); EJM 10 (1998), 1037
Type Locality:Lower Salt Lake tuff, Puuloa road, Moanalua road junction, Oahu, Hawaii, USA
Comments:Phillipsite series

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