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  2. Companhia Brasileira de Metalurgia e Mineração - Wikipedia

    en.wikipedia.org/wiki/Companhia_Brasileira_de...

    Companhia Brasileira de Metalurgia e Mineração (Portuguese for Brazilian Metallurgy and Mining Company), or CBMM for short, is a Brazilian company that specializes in the processing and technology of niobium, extracted from its pyrochlore mine near the city of Araxá, in the Brazilian state of Minas Gerais.

  3. Mining in Brazil - Wikipedia

    en.wikipedia.org/wiki/Mining_in_Brazil

    In 2019, Brazil's figures were as follows: it was the world's largest producer of niobium (88.9 thousand tons); [2] the 2nd largest world producer of tantalum (430 tons); [3] the 2nd largest world producer of iron ore (405 million tons); [4] the 4th largest world producer of manganese (1.74 million tons); [5] the 4th largest world producer of bauxite (34 million tons); [6] the 4th largest ...

  4. Boa Vista mine - Wikipedia

    en.wikipedia.org/wiki/Boa_Vista_mine

    The Boa Vista mine is an open pit niobium and phosphate mine located near the city of Catalão in Goiás state in Brazil. Geologically, it is located on the Catalão II carbonatite complex. [2] [3] The mine was opened by Anglo American plc, and had an output of 4,700 tons of niobium in 2014. [4]

  5. Category:Niobium mines in Brazil - Wikipedia

    en.wikipedia.org/wiki/Category:Niobium_mines_in...

    Pages in category "Niobium mines in Brazil" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes. B. Boa Vista mine; C.

  6. China’s discovery of never-before-seen ore could propel ...

    www.aol.com/china-discovery-never-seen-ore...

    The main source of niobium until now has been from the ore mineral columbite that is extracted widely in Canada, Brazil, Australia and Nigeria, with China obtaining nearly 95 per cent of the ...

  7. Niobium - Wikipedia

    en.wikipedia.org/wiki/Niobium

    Niobium is a chemical element; ... Brazil is the leading producer of niobium and ferroniobium, ... those two mines produce about 88% of the world's supply. ...

  8. Coltan - Wikipedia

    en.wikipedia.org/wiki/Coltan

    The niobium-dominant mineral in coltan ... Canada, Nigeria and Brazil. [10] Globally, 60% of all mining companies have registered with the highly regulated stock ...

  9. Lists of countries by mineral production - Wikipedia

    en.wikipedia.org/wiki/Lists_of_countries_by...

    Niobium [17] Brazil Canada: List of countries by niobium production: Palladium [18] Russia South Africa: List of countries by palladium production: Platinum [19] South Africa Russia: List of countries by platinum production: Silver [20] Mexico China: List of countries by silver production: Tin [21] China Indonesia: List of countries by tin ...