Home / Explore / Minerals / Meitnerite Minerals Meitnerite meitnerite (NH4)(UO2)(SO4)(OH)*2H2O Meitnerite: Mineral information, data and localities. — via www.mindat.org · Source Overview Meitnerite is a mineral species (uranyl sulfate mineral). It crystallises in the triclinic system. Scientific references Meitnerite — Wikidata. https://www.wikidata.org/wiki/Q45954326 Link