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Where can tantalum be found?

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Where can tantalum be found?

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Tantalum occurs naturally in the mineral columbite-tantalite. It's mainly found in in Australia, Brazil, Mozambique, Thailand, Portugal, Nigeria, Zaire and Canada. Separating tantalum from niobium requires either electrolysis, reduction of potassium fluorotantalate with sodium or reacting the carbide with oxide.Aug 20, 2013

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