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ATHENA

MINERALOGY

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Mineral: AMMONIOBORITE
Formula: (NH4)2Mg5Fe3+3Al(SO4)12(H2O)18
Crystal System: Monoclinic
IMA Number: 1933
References: AM 44 (1959), 1150; HB5 (2003)
Type Locality: Lardarello, Val di Cecina, Pisa, Toscana, Italy

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