Home / Explore / Minerals / Kayrobertsonite Minerals Kayrobertsonite kayrobertsonite [MnAl2(PO4)2(OH)2(H2O)4]*2H2O Kayrobertsonite: Mineral information, data and localities. — via www.mindat.org · Source Overview Kayrobertsonite is a mineral species (hydrous phosphate mineral). It crystallises in the triclinic system. Scientific references Kayrobertsonite — Wikidata. https://www.wikidata.org/wiki/Q21684044 Link