Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:DACHIARDITE-Ca
Formula:(Ca0.5,K,Na)4-5[Al4-5Si20-19O48] · 12-13H2O
Crystal System:Monoclinic
Strunz Nr:8/J.22-20
Group:Zeolite Group Dachiardite series
References:MM 45 (1982), 157; CM 25 (1987), 475; HB2/1 (1995); EJM 10 (1998), 1037
Type Locality:San Piero in Campo, Elba, Toscana (Tuscany), Italy
Comments:Dachiardite series

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