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ATHENA

MINERALOGY

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Mineral: SHIGAITE
Formula: NaMn2+6Al3(SO4)2(OH)18.12H2O
Crystal System: Rhombohedral (Trigonal)
Group: Hydrotalcite supergroup. Wermlandite group
IMA Number: 1984-057
References: NJMM (1985), 453;CM 34(1996), 91; MR 34 (2003), 155; HB5 (2003); L 4 (2007), 9; MM 76/5 (2012), 1289
Type Locality: Ioi mine, Shiga pref., Honshu, Japan

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