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ATHENA

MINERALOGY

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Mineral: GREENALITE
Formula: (Fe2+,Fe3+)2-3Si2O5(OH)4
Crystal System: Monoclinic
Group: Kaolinite-Serpentine group. Serpentine subgroup
IMA Number: 1903
References: MM 44 (1981), 153; HB2/1 (1995)
Type Locality: Mesabi distr., St. Louis Co., Minnesota, USA

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