Home / Explore / Minerals / Rumoiite Minerals Rumoiite rumoiite AuSn2 Rumoiite: Mineral information, data and localities. — via www.mindat.org · Source Overview Rumoiite is a mineral species (gold tin alloy mineral). It crystallises in the orthorhombic system. Scientific references Rumoiite — Wikidata. https://www.wikidata.org/wiki/Q66472682 Link