Home / Explore / Minerals / Ottemannite Minerals Ottemannite ottemannite Sn2S3 Ottemannite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Ottemannite is a mineral species (sulfide mineral). It crystallises in the orthorhombic system. Nickel–Strunz class: 2.DB.10. Scientific references Ottemannite — Wikidata. https://www.wikidata.org/wiki/Q3887268 Link