Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:GMELINITE-Na
Formula:(Na,K,Ca0.5)4[Al8Si16O48] · 22H2O
Crystal System:Hexagonal
Strunz Nr:8/J.26-50
Group:Zeolite Group Gmelinite series
References:HB2/1 (1995); EJM 10 (1998), 1037
Type Locality:Little Deer Park, Glenarm, Co. Antrim, Northern Ireland
Comments:Gmelinite series

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