Usage examples (38)

• Columbite is the ore of niobium, which is used in steels and high strength alloys.
• Columbium (also called niobium), like vanadium, is generally considered to increase the hardenability of steel.
• These minerals are the principal sources of columbium (commonly called niobium), tantalum and molybdenum metals.
• Lance Cooley of the Fermi National Accelerator Laboratory is working with a metallic element called niobium to create the next generation of high-energy physics experiments.