columbite

Etymology
From.

Noun

 * 1)  A black mineral that is a mixed iron and manganese niobate and tantalate, and is the main ore of niobium and tantalum.

Translations

 * Finnish: kolumbiitti
 * French: columbite
 * Galician: columbita
 * German: Columbit
 * Italian: columbite
 * Polish: kolumbit
 * Portuguese: columbita
 * Spanish: