Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:MAGNESIOASTROPHYLLITE
Formula:K2Na2(Fe2+,Fe3+,Mn)4Mg2Ti2Si8O26(OH)4
Crystal System:Monoclinic
Strunz Nr:8/G.12-20
Group:Astrophyllite Group
References:HB2/2 (1995); CM 41 (2003), 1; MR 39/2 (2008), 131
Type Locality:Khibina alkaline complex, Kola Peninsula, Russia

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