Home / Explore / Minerals / Macivorite Minerals Macivorite macivorite (NH4)3Al5(PO3OH)6(PO4)2·18H2O Macivorite: Mineral information, data and localities. — via www.mindat.org · Source Overview Macivorite is a mineral species. It crystallises in the trigonal system. Nickel–Strunz class: 8.CH.25. Scientific references Macivorite — Wikidata. https://www.wikidata.org/wiki/Q134550619 Link