Home / Explore / Minerals / Colchesterite Minerals Colchesterite colchesterite Bi³⁺2Mo⁶⁺2O9 Colchesterite: Mineral information, data and localities. — via zh.mindat.org · Source Overview Colchesterite is a mineral species. It crystallises in the monoclinic system. Nickel–Strunz class: 4.DE.. Scientific references Colchesterite — Wikidata. https://www.wikidata.org/wiki/Q123169034 Link