Home / Explore / Minerals / Attakolite Minerals Attakolite attakolite (Ca,Sr)Mn(Al,Fe)4(HPO4,PO4)3(SiO4,PO4)(OH)4 Attakolite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Attakolite is a mineral species (phosphate mineral). It crystallises in the monoclinic system. Nickel–Strunz class: 8.BH.60. Scientific references Attakolite — Wikidata. https://www.wikidata.org/wiki/Q3629089 Link