Home / Explore / Minerals / Brontesite Minerals Brontesite brontesite (NH4)3PbCl5 Brontesite: Mineral information, data and localities. — via www.mindat.org · Source Overview Brontesite is a mineral species (halide mineral). It crystallises in the orthorhombic system. Scientific references Brontesite — Wikidata. https://www.wikidata.org/wiki/Q19810693 Link