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ATHENA

MINERALOGY

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Mineral:STILBITE-Ca
Formula:(Ca0.5,Na,K)9[Al9Si27O72] · 28H2O
Crystal System:Monoclinic
Strunz Nr:8/J.23-30
Group:Zeolite group Stilbite series
References:L 5 (1984), 5; HB2/2 (1995); EJM 10 (1998), 1037
Type Locality:Berufjord or Helgustadir, Island
Comments:Stilbite series

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