Home / Explore / Minerals / Mahnertite Minerals Mahnertite mahnertite NaCu3(AsO4)2Cl * 5H2O Mahnertite archived mineral specimens — via www.dakotamatrix.com · Source Overview Mahnertite is a mineral species (arsenate mineral). It crystallises in the tetragonal system. Nickel–Strunz class: 8.DH.45. Scientific references Mahnertite — Wikidata. https://www.wikidata.org/wiki/Q3843446 Link