Niobium Vs Columbite

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Niobium was discovered on the year of 1734 by the first governor of Connecticut, John Winthrop the Younger. He names it columbite. On 1809 William Hyde Wollaston compared columbite and trantalite. William Hyde Wollaston said that columbite was really trantalite. At first scientist’s didn’t know what element niobium was. They thought that it was tantalum because niobium and tantalum are similar metals and always are found together. They both are very difficult to isolate. On 1844 Heinrich Rose took samples of columbite and tantalite and twenty-two year later , Jean Charles Galissard de Marignac to prove that these were two distinct chemicals produced from two different elements. Niobium name was chosen because of niobium’s chemical

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