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ATHENA

MINERALOGY

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Mineral: PENKVILKSITE
Name: Пенквилксит
Formula: Na4(Ti4+,Zr)Si8O22.4H2O
Crystal System: Monoclinic
IMA Number: 1973-016
References: DAN Earth Sci. 217 (1974), 126; HB2/2 (1995)
Type Locality: Lovozero alkaline complex, Kola Peninsula, Russia

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