Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:FRANKAMENITE
Formula:K3Na3Ca5(Si12O30)(F,OH)4 · H2O
Crystal System:Anorthic (Triclinic)
Strunz Nr:8/F.35-20
References:AM 71 (1986), 1522; HB2/1 (1995)
Type Locality:Charo and Tokko Rivers, Murunsky massif, Sakha Rep. (Yakutia), Siberia, Russia

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