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ATHENA

MINERALOGY

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Mineral: SWINEFORDITE
Formula: (Ca,Na)0,3(Al,Li,Mg)2(Si,Al)4O10(OH,F)2.2H2O
Crystal System: Monoclinic
Group: Smectite group
IMA Number: 1973-054
References: AM 60 (1975), 540; HB2/2 (1995)
Type Locality: Foote mine, Kings Mt, Cleveland Co., North Carolina, USA

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