|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); and Bradley, Dwight C. (Editor)|
|Publication||U.S. Geological Survey Professional Paper 1802
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