Home / Explore / Minerals / Ferrostalderite Minerals Ferrostalderite ferrostalderite CuFe2TlAs2S6 Ferrostalderite: Mineral information, data and localities. — via www.mindat.org · Source Overview Ferrostalderite is a mineral species (sulfosalt mineral). It crystallises in the tetragonal system. Scientific references Ferrostalderite — Wikidata. https://www.wikidata.org/wiki/Q20286547 Link