Home / Explore / Minerals / Amarillite Minerals Amarillite amarillite NaFe³⁺(SO4)2·6H2O Amarillite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Amarillite is a mineral species (sulfate mineral). It crystallises in the monoclinic system. Nickel–Strunz class: 7.CC.75. Scientific references Amarillite — Wikidata. https://www.wikidata.org/wiki/Q3613655 Link