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ATHENA

MINERALOGY

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Mineral:FEKLICHEVITE
Formula:Na11Ca9(Fe3+,Fe2+)2Zr3Nb[Si25O73](OH,H2O,Cl,O)5
Crystal System:Rhomboedral (Trigonal)
Strunz Nr:8/E.25-50
Group:Eudialyte group
References:ZVMO 130/3 (2001), 55; CM 41 (2003), 785; MR 2 (2004), 177
Type Locality:Kovdor Slyuda (Mica) Phlogopite mine, Kovdor alkaline-ultrabasic massif, Kola Peninsula, Russia

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