Minerals
Potassic-Arfvedsonite
potassic-arfvedsonite
KNa2(Fe²⁺4Fe³⁺)Si8O22(OH)2
Potassic-arfvedsonite: Mineral information, data and localities. — via www.mindat.org · Source
Overview
Potassic-Arfvedsonite is a mineral species (Na-amphibole, double chain inosilicate mineral). It crystallises in the monoclinic system. Reported colour: black. Nickel–Strunz class: 9.DE.25.
Scientific references
- Potassic-Arfvedsonite — Wikidata. https://www.wikidata.org/wiki/Q3909496 Link