Home / Explore / Minerals / Ecdemite Minerals Ecdemite ecdemite Pb6As³⁺2O7Cl4 Ecdemite: Mineral information, data and localities. — via www.mindat.org · Source Overview Ecdemite is a mineral species (halide mineral). Nickel–Strunz class: 3.DC.65. Scientific references Ecdemite — Wikidata. https://www.wikidata.org/wiki/Q3718487 Link