Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:WILKINSONITE
Formula:Na2Fe2+4Fe3+2Si6O20
Crystal System:Anorthic (Triclinic)
Strunz Nr:8/F.14-30
Group:Aenigmatite Group
References:AM 75 (1990), 694; HB2/2 (1995); NM 90-94 (1997); EJM 11 (1999), 743
Type Locality:Warrumbungle volcano, New South Wales, Australia

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