Niobium is a shiny, white metal that typically forms a film on its surface when exposed to air, turning shades of blue, green, or yellow, according to Chemicool.
Currently Niobium is mined in two places only, Brazil and Canada. Niobium mines in Brazil The world’s largest deposit is located in Araxa, Brazil and is owned by Companhia Brasileira de Metalurgia e Mineracao (CBMM).
In 1801, Charles Hatchett (1765-1847), an English chemist, analyzed a specimen of an unknown mineral from the collection of the British Museum in London.
