Definition that contains niobite
- ta a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
- coltan a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips
- nb a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
- tantalum a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
- atomic number 73 a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
- tantalite a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum
- columbite-tantalite a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips
- niobium a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
- atomic number 41 a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium