Minerals
Ferri-Winchite
ferri-winchite
☐(NaCa)(Mg4Fe³⁺)Si8O22(OH)2
Ferri-winchite: Mineral information, data and localities. — via www.mindat.org · Source
Overview
Ferri-Winchite is a mineral species (Na-Ca-amphibole, double chain inosilicate mineral). It crystallises in the monoclinic system. Reported colour: black. Mohs hardness about 5.5. Nickel–Strunz class: 9.DE.20.
Identification characteristics
- Mohs hardness 5.5
Scientific references
- Ferri-Winchite — Wikidata. https://www.wikidata.org/wiki/Q3743202 Link