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ATHENA

MINERALOGY

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Mineral: POTASSICARFVEDSONITE
Name: Potassic-arfvedsonite, Калийарфведсонит
Formula: KNa2Fe2+4Fe3+Si8O22(OH)2
Crystal System: Monoclinic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Amphibole Na subgroup. Arfvedsonite group
IMA Number: 2012 s.p.
References: NJMM (2004), 555
Type Locality: Pegmatite Valley, Kangerluarsuk area, Ilímaussaq, Greenland

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