Home / Explore / Minerals / Nafeasite Minerals Nafeasite nafeasite Nafeasite: Mineral information, data and localities. — via www.mindat.org · Source Overview Nafeasite is a mineral species (hydrous arsenate mineral). It crystallises in the monoclinic system. Scientific references Nafeasite — Wikidata. https://www.wikidata.org/wiki/Q111801956 Link