Home / Explore / Minerals / Karlseifertite Minerals Karlseifertite karlseifertite Pb(Ga2Ge)(AsO4)2(OH)6 Karlseifertite: Mineral information, data and localities. — via www.mindat.org · Source Overview Karlseifertite is a mineral species. It crystallises in the trigonal system. Nickel–Strunz class: 7.BC.10. Scientific references Karlseifertite — Wikidata. https://www.wikidata.org/wiki/Q129311084 Link