Home / Explore / Minerals / Berndtite Minerals Berndtite berndtite SnS2 Berndtite: Mineral information, data and localities. — via www.mindat.org · Source Overview Berndtite is a mineral species (sulfide mineral). It crystallises in the trigonal system. Nickel–Strunz class: 2.EA.20. Scientific references Berndtite — Wikidata. https://www.wikidata.org/wiki/Q3638833 Link