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ATHENA

MINERALOGY

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Mineral: IKRANITE
Name: Икранит
Formula: (Na,H3O)15(Ca,Mn,REE)6Fe3+2Zr3(▢,Zr)(▢,Si)Si24O66(O,OH)6Cl.nH2O
Crystal System: Rhombohedral (Trigonal)
Group: Eudialyte group
IMA Number: 2000-010
References: ZVMO 132/5 (2003), 22; CM 41 (2003), 785; MR 4 (2004), 353
Type Locality: Karnasurt Mt, Lovozero alkaline massif, Kola Peninsula, Russia
Comments: ▢ = vacancy

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