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ATHENA

MINERALOGY

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Mineral:AENIGMATITE
Formula:Na2Fe2+5Ti4+Si6O20
Crystal System:Anorthic (Triclinic)
Strunz Nr:8/F.14-20
Group:Sapphirine supergroup Aenigmatite group
References:MM 33 (1964), 986; AM 59 (1974), 820; HB2/1 (1995); EJM 11 (1999), 743
Type Locality:Kangerdluarsuk, Ilímaussaq alkaline complex, Greenland

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