Home / Explore / Minerals / Ootannite Minerals Ootannite ootannite Th⁴⁺2W⁶⁺4O16·5H2O Ootannite: Mineral information, data and localities. — via www.mindat.org · Source Overview Ootannite is a mineral species. It crystallises in the monoclinic system. Nickel–Strunz class: 7.GB.. Scientific references Ootannite — Wikidata. https://www.wikidata.org/wiki/Q123818562 Link