columbiten.
/kəˈlʌmbʌɪt/, /ˈkɒləmbʌɪt/, U.S. /ˈkɑləmˌbaɪt/ Mineralogy.
The native ore of columbium, a black columbate of iron and manganese; niobite.
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the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > oxides of titanium, tantalum, nickel, or rare earths > columbite or niobite
columbite1805
torrelite1836
niobite1854
1805 R. Jameson Syst. Mineral. II. 583 As it does not contain the metal in a metallic state I have..denominated it Columbite.
1809 Wollaston in Philos. Trans. (Royal Soc.) 99 247 In appearance the columbite is so like tantalite, that it is extremely difficult to discern a difference.
1868 J. D. Dana Syst. Mineral. (ed. 5) §474.
This entry has not yet been fully updated (first published 1891; most recently modified version published online March 2022).
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n.1805