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Technical Consulting

Coltan Mining Machine [Aug 02,2016]
Coltan Mining Machine
I:Name: Ta-Nb Chemical Symbol: Ta Nb

II:The state of Ta-Nb ore in the nature
Tantalite, niobite, pyrochlore , granite, placer, Ta-Nb is generally associated and difficult to separate


Coltan (short for columbite–tantalite and known industrially as tantalite) is a dull black metallic ore from which the elements niobium and tantalum are extracted. The niobium-dominant mineral in coltan is columbite (after niobium's original American name, columbium), and the tantalum-dominant mineral is tantalite.