Home / Explore / Minerals / Osakaite Minerals Osakaite osakaite Zn4(SO4)(OH)6·5H2O Osakaite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Osakaite is a mineral species (sulfate mineral). It crystallises in the triclinic system. Nickel–Strunz class: 7.DE.40. Scientific references Osakaite — Wikidata. https://www.wikidata.org/wiki/Q11441564 Link