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

Occasionally in life there are those moments of unutterable fulfillment which cannot be completely explained by those symbols called words. Their meanings can only be articulated by the inaudible language of the heart.
Martin Luther King Jr.