Home / Explore / Minerals / Addibischoffite Minerals Addibischoffite addibischoffite Ca2Al6Al6O20 Addibischoffite: Mineral information, data and localities. — via www.mindat.org · Source Overview Addibischoffite is a mineral species (oxide mineral). It crystallises in the triclinic system. Scientific references Addibischoffite — Wikidata. https://www.wikidata.org/wiki/Q20821478 Link