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Coltan is the colloquial African name for columbite-tantalite, ... tantalum are usually referred to as 'tantalite' [1 ... Namibia, South Africa, ...
COLUMBITE- TANTALITE Richtersfeld Northern Cape Province South Africa Metallic, silvery-black to reddish-gray, ...
Journal of the Southern African Institute of Mining and Metallurgy . IIThe South African Nuclear Energy Corporation Ltd, (Necsa), Pretoria, South Africa These ore ...
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Coltan is the colloquial African name ... tantalum are usually referred to as 'tantalite' . In appearance, coltan is a ... Namibia, South Africa, ...
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From Namaqualand in South Africa. Size 40mm. - Stock Image C010/4551 ... The two are often grouped as a semi-singular mineral called columbite-tantalite or coltan.
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Coltan Ore / Tantalite Tantalum Ore/Columbite Tantalite Ore, ... Place of Origin : South Africa; Description ...
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