Owl - coll. P.P. ATHENA

MINERALOGY

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Mineral:HARMOTOME
Formula:Ba2(Ca0.5,Na)Al6Si10O32 · 12H2O
Crystal System:Monoclinic
Strunz Nr:8/J.25-70
Group:Zeolite group
References:HB2/1 (1995); EJM 10 (1998), 1037; L11 (2004), 8
Type Locality:Andreasberg, Harz, Germany

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