Home / Explore / Minerals / Ferrostrunzite Minerals Ferrostrunzite ferrostrunzite Fe²⁺Fe³⁺2(PO4)2(OH)2·6H2O Ferrostrunzite: Mineral information, data and localities. — via www.mindat.org · Source Overview Ferrostrunzite is a mineral species (phosphate mineral). Nickel–Strunz class: 8.DC.25. Scientific references Ferrostrunzite — Wikidata. https://www.wikidata.org/wiki/Q3743269 Link