Associations to the word «Columbite»

Wiktionary

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

Dictionary definition

COLUMBITE, noun. A black mineral that is an ore of niobium and tantalum.

Wise words

Man is a creature who lives not upon bread alone, but principally by catch words.
Robert Louis Stevenson