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Article | REF: M2365 V2

Metallurgy and recycling of niobium and tantalum

Author: Christian POLAK

Publication date: June 10, 2009 | Lire en français

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    2. Natural resources

    Similar in chemistry, tantalum and niobium occur naturally together in the same ores. However, there are pyrochlore niobium deposits where tantalum is practically absent.

    2.1 Minerals

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    2.1.1 Tantalum ores

    Tantalum, less abundant than niobium, is dispersed in numerous ores.

    World reserves stand at 36,400 t Ta content, half in Australia, and resources at 287,000 t Ta content [72] .

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