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ATHENA

MINERALOGY

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Mineral: SIUDAITE
Name: Сиудаит
Formula: Na8(Mn2+2Na)Ca6(Fe3+,Mn2+)3Zr3NbSi24(Si,▢,Ti)O74(OH)2Cl.5H2O
Crystal System: Rhombohedral (Trigonal)
Group: Eudialyte group
IMA Number: 2017-092
References: MM 82/1 (2018), 229-233
Type Locality: Eveslogchorr Mt, Khibiny Massif, Murmansk, Kola Peninsula, Russia

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