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ATHENA

MINERALOGY

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Mineral: DAVIDBROWNITE-(NH4)
Formula: (NH4,K)5(V4+O)2(C2O4)[PO2,75(OH)1,25]4.3H2O
Crystal System: Monoclinic
IMA Number: 2018-129
References: MM 83/6 (2019), 869
Type Locality: Rowley mine, Maricopa County, Arizona, USA

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