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ATHENA

MINERALOGY

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Mineral: ASTROPHYLLITE
Formula: K2Na(Fe2+,Mn)7Ti2Si8O26(OH)4F
Crystal System: Anorthic (Triclinic)
Group: Astrophyllite supergroup. Astrophyllite group
IMA Number: 1848
References: MM 56 (1992), 17; HB2/1 (1995); CM 41 (2003), 1; L3 (2014), 8; CM 48 (2010), 1
Type Locality: Brevik, Langesundfjord, Norway

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