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ATHENA

MINERALOGY

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Mineral:FRANZINITE
Formula:(Na,K)6Ca2(SO4)2Al6Si6O24 · 0.5H2O
Crystal System:Hexagonal
Strunz Nr:8/J.09-80
Group:Cancrinite-Sodalite group
References:NJMM (1977), 163; HB2/1 (1995); CM 38 (2000), 657
Type Locality:Pitigliano, Grosseto prov., Toscana (Tuscany), Italy

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