ATHENA MINERALOGY |
Mineral: | ARFVEDSONITE |
---|---|
Formula: | NaNa2(Fe2+,Mg)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: | CM 8 (1965), 185; HB2/1 (1995); CM 36 (1998), 1253; L 5 (2002), 9 |
Type Locality: | Kangerdluarsuk, Ilímaussaq alkaline complex, Greenland |
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