Home / Explore / Minerals / Grundmannite Minerals Grundmannite grundmannite CuBiSe2 Grundmannite: Mineral information, data and localities. — via www.mindat.org · Source Overview Grundmannite is a mineral species (selenide mineral). It crystallises in the orthorhombic system. Scientific references Grundmannite — Wikidata. https://www.wikidata.org/wiki/Q21684066 Link