Home / Explore / Minerals / Gatumbaite Minerals Gatumbaite gatumbaite CaAl2(PO4)2(OH)2·H2O Gatumbaite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Gatumbaite is a mineral species (phosphate mineral). It crystallises in the monoclinic system. Nickel–Strunz class: 8.DJ.10. Scientific references Gatumbaite — Wikidata. https://www.wikidata.org/wiki/Q3758906 Link