Home / Explore / Minerals / Eylettersite Minerals Eylettersite eylettersite Th0.75Al3(PO4)2(OH)6 Eylettersite: Mineral information, data and localities. — via www.mindat.org · Source Overview Eylettersite is a mineral species (alunite supergroup, phosphate mineral). Nickel–Strunz class: 8.BL.10. Scientific references Eylettersite — Wikidata. https://www.wikidata.org/wiki/Q3736297 Link