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ATHENA

MINERALOGY

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Mineral: PROSHCHENKOITE-(Y)
Name: Прощенкоит-(Y)
Formula: (Y,REE,Ca,Na,Mn)15(Fe2+,Mn)Ca(P,Si)Si6B3O34F14
Crystal System: Rhombohedral (Trigonal)
Group: Vicanite group
IMA Number: 2008-007
References: MM 73 (2009), 1071
Type Locality: Tommot REE-Nb deposit, Yakutia, Russia

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