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Raslakite: Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH)
Comments: Orange-red raslakite grain in nepheline-syenite. Part of cotype specimen. Location: Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: FOV is 12x10 mm. © Pavel M. Kartashov