Minerals
Armbrusterite
armbrusterite
K5Na7Mn15[(Si9O22)4](OH)10 * 4H2O
Armbrusterite: Mineral information, data and localities. — via www.mindat.org · Source
Overview
Armbrusterite is a mineral species (phyllosilicate mineral). It crystallises in the monoclinic system. Mohs hardness about 3.5. Nickel–Strunz class: 9.EG.65.
Identification characteristics
- Mohs hardness 3.5
Scientific references
- Armbrusterite — Wikidata. https://www.wikidata.org/wiki/Q680482 Link