Home / Explore / Minerals / Omsite Minerals Omsite omsite Ni2Fe³⁺(OH)6[Sb(OH)6] Omsite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Omsite is a mineral species (hydrotalcite supergroup mineral). It crystallises in the trigonal system. Nickel–Strunz class: 4.FB.. Scientific references Omsite — Wikidata. https://www.wikidata.org/wiki/Q19861104 Link