| Name: | Potassic-arfvedsonite Parf |
| IMA Chemistry: | KNa2(Fe2+4Fe3+)Si8O22(OH)2 |
| Chemistry Elements: | The mineral Potassic-arfvedsonite contains elements: Potassium (K) Sodium (Na) Iron (Fe) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | Denmark (Greenland) / Russia |
| Year First Published: | 2003 |
| IMA Status: | Approved,Redefined |
| Status Notes: | Pekov I V, Chukanov N V, Lebedeva Y S, Pushcharovsky D Y, Ferraris G, Gula A, Zadov A E, Novakova A A, Petersen O V (2004) Potassicarfvedsonite, KNa_2_Fe^2+^_4_Fe^3+^Si_8_O_22_(OH)_2_, a K-dominant amphibole of the arfvedsonite series from agpaitic pegmatites - Mineral data, structure refinement and disorder in the A site, Neues Jahrbuch für Mineralogie, Monatshefte 2004, 555-574 Name changed from potassicarfvedsonite: Hawthorne F C, Oberti R, Harlow G E, Maresch W V, Martin R F, Schumacher J C, Welch M D (2012) Nomenclature of the amphibole supergroup. American Mineralogist 97, 2031-2048 |
| Structural Group Name: | Amphibole |
| Fleischer's Group Name: | amphibole-group 4 Na |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 2072 Million Years Ago |
| More Info: | Search Wikipedia: Potassic-arfvedsonite (Wiki) Search Mindat: Potassic-arfvedsonite Search Web Mineral DB: Potassic-arfvedsonite |