Home / Explore / Minerals / Iangreyite Minerals Iangreyite iangreyite Ca2Al7(PO4)2(PO3OH)2(OH,F)15·8H2O Iangreyite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Iangreyite is a mineral species (phosphate mineral). It crystallises in the trigonal system. Nickel–Strunz class: 8.DE.45. Scientific references Iangreyite — Wikidata. https://www.wikidata.org/wiki/Q19860829 Link