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ATHENA

MINERALOGY

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Mineral: KEIVIITE-(Y)
Name: Кейвиит-(Y)
Formula: (Y,Yb)2Si2O7
Crystal System: Monoclinic
Group: Thortveitite group
IMA Number: 1984-054
References: MZ 7/6 (1985), 79; HB2/1 (1995)
Type Locality: Ploskaya Mtn, Western Keivy Massif, Kola Peninsula, Russia

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