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MINERALOGY

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Mineral: YFTISITE-(Y)
Name: Ифтисит-(Y)
Formula: (Y,Dy,Er)4(Ti,Sn4+)O(SiO4)2(F,OH)6
Crystal System: Orthorhombic
References: AM 62 (1977), 396
Type Locality: Verkhnee Espe Massif, Akzhaylyautas Mts, Tarbagatai Range, Kazakhstan; Elozero REE occurrence, Keivy Massif, Kola peninsula, Russia

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