Home / Explore / Minerals / Feynmanite Minerals Feynmanite feynmanite Na(UO2)(SO4)(OH)·3.5H2O Feynmanite: Mineral information, data and localities. — via www.mindat.org · Source Overview Feynmanite is a mineral species (uranyl sulfate mineral). It crystallises in the monoclinic system. Scientific references Feynmanite — Wikidata. https://www.wikidata.org/wiki/Q37245994 Link