Arfvedsonite : [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Sodalite : Na4(Si3Al3)O12Cl
Eudialyte : Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
10mm x 7.5mm x 5mm
Collected by:
Photo added to mindat.org
“ Euhedral eudialyte crystals (red) in pegmatitic Arfvedsonite (black), on fine-grained matrix of nepheline (grey), sodalite (grey), alkali feldspar (white) and eudialyte (red).
Collected in 2013, Anouk Borst”
Anouk Borst - 5th April 2022
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