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ATHENA

MINERALOGY

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Mineral:KEIVIITE-(Yb)
Formula:(Yb,Y)2Si2O7
Crystal System:Monoclinic
Strunz Nr:8/C.01-30
Group:Thortveitite group
References:MZ 5/5 (1983), 94; HB2/1 (1995)
Type Locality:Ploskaya Mtn, Western Keivy Massif, Kola Peninsula, Russia

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