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ATHENA

MINERALOGY

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Mineral: BILLWISEITE
Formula: Sb3+5(Nb,Ta)3WO18
Crystal System: Monoclinic
IMA Number: 2010-053
References: CM 50 (2012), 805
Type Locality: Nanga Parbat -Haramosh massif, Stak Nala, 70 km east of Gilgit, Pakistan

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