Home / Explore / Minerals / Petscheckite Minerals Petscheckite petscheckite UFe(Nb,Ta)2O8 Petscheckite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Petscheckite is a mineral species (oxide mineral). Nickel–Strunz class: 4.DH.35. Scientific references Petscheckite — Wikidata. https://www.wikidata.org/wiki/Q3901130 Link