Home / Explore / Minerals / Braunite Ii Minerals Braunite Ii braunite II Ca(Mn³⁺)14SiO24 Braunite-II: Mineral information, data and localities. — via www.mindat.org · Source Overview Braunite Ii is a mineral species (nesosilicate mineral). Nickel–Strunz class: 9.AG.05. Scientific references Braunite Ii — Wikidata. https://www.wikidata.org/wiki/Q3643919 Link