Meaning of niobite in English:

niobite

Pronunciation /ˈnʌɪə(ʊ)bʌɪt/ /nʌɪˈəʊbʌɪt/

noun

Mineralogy
  • = "columbite".

Origin

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher.