| Online link | https://doi.org/10.3133/pp1802M |
|---|---|
| Description | Niobium and tantalum are found together in nature because they have similar physical and chemical properties. Niobium is used in high-strength steel alloys, while tantalum is used in electronic capacitors. |
| Originators | Schulz, Klaus J., Piatak, Nadine M., Papp, John F., Schulz, Klaus J. (Editor), DeYoung, John H. Jr. (Editor), Seal, Robert R. II (Editor), Bradley, Dwight C. (Editor) |
| Publication | U.S. Geological Survey Professional Paper 1802 This publication is available only as a PDF document. |