Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:ROGGIANITE
Formula:Ca2[Be(OH)2Al2Si4O13] · 2.5H2O
Crystal System:Quadratic (Tetragonal)
Strunz Nr:8/J.19-10
Group:Zeolite Group
References:MM 52 (1988), 201; NJMM (1991), 307; HB2/2 (1995); EJM 10 (1998), 1037
Type Locality:Alpe Rosso, Val Vigezzo, Orcesco, Novara, Piemonte, Italy

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