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ATHENA

MINERALOGY

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Mineral: IWASHIROITE-(Y)
Formula: Y(Ta,Nb)O4
Crystal System: Monoclinic
Group: Fergusonite group
IMA Number: 2003-053
References: J. Min. Petrol. Sci. 101/4, 170; AM 91 (2006), 1946
Type Locality: Suishoyama, Kawamata Town, Fukushima Prefecture, Japan

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