columbite


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  • noun

Synonyms for columbite

a black mineral that is an ore of niobium and tantalum

References in periodicals archive ?
Nigeria is also endowed with variety of solid minerals ranging from coal, cassiterite and columbite in the southern region to limestone, iron ore, tin and marble in the northern region.
In diversifying its economy away from its dependence on oil, Nigeria's underexploited mining sector had resources of iron ore, tine, columbite, tantalite, gypsum, cola, gold, nickel, lead and uranium to exploit.
It's coltan, short for the minerals it contains - columbite and tantalite - and it's a key component in the manufacture of mobile phones and other electronic equipment: it was a low coltan supply that led to a shortage of PlayStation2 platforms in 2000.
Bauxite, coal, cobalt, columbite, copper, diamonds, gold, iron ore, lead, limestone, manganese, natural gas, petroleum oil, phosphate, rutile and ilmenite, salt, tin, uranium, and zinc