Home / Explore / Minerals / Pseudocotunnite Minerals Pseudocotunnite pseudocotunnite K2PbCl4 (?) Pseudocotunnite: Mineral information, data and localities. — via www.mindat.org · Source Overview Pseudocotunnite is a mineral species (questionable halide mineral). Nickel–Strunz class: 3.DC.90. Scientific references Pseudocotunnite — Wikidata. https://www.wikidata.org/wiki/Q3924882 Link