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ATHENA

MINERALOGY

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Mineral: FRANKLINPHILITE
Formula: (K,Na)4(Mn2+,Mg,Zn,Fe3+)48(Si,Al)72(O,OH)216.6H2O
Crystal System: Anorthic (Triclinic) pseudo Hexagonal
Group: Stilpnomelane group
IMA Number: 1990-050
References: AM 78 (1993), 672; MR 23 (1992), 465; HB2/1 (1995); NM 90-94 (1997)
Type Locality: Buckwheat mine dump, Franklin, Sussex Co., New Jersey, USA

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