Home / Explore / Minerals / Calamaite Minerals Calamaite calamaite Na2TiO(SO4)2*2H2O Calamaite: Mineral information, data and localities. — via www.mindat.org · Source Overview Calamaite is a mineral species (hydrous oxysulfate mineral). It crystallises in the orthorhombic system. Scientific references Calamaite — Wikidata. https://www.wikidata.org/wiki/Q27995583 Link