Niobium and tantalum are mainly mined from pyrochlore and tantalite, respectively.They are also obtained from tin slag.Cassiterite ore contains about 70 per cent tin and 0.2 per cent of tantalum, which leads to a potential production of 750 tonnes.In 2010, production of tantalum from tin ore was 102 tonnes 13 of its total world production.
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Chrome ore beneficiation technical process conspectus of mineral processing chromite fecr2o4, specific gravity, hardness, is the only useful mineral for chrome ore beneficiation, which also can be used as high grade refractory.Get price exploration of chromite ore for beneficiation process.Chromite ore using magnetic separation process.
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Tungsten tungsten.A metallic element with the atomic symbol w, atomic number 74, and atomic weight 183.It is used in many manufacturing applications, including increasing the hardness, toughness, and tensile strength of steel manufacture of filaments for incandescent light bulbs and in contact points for automotive and electrical apparatus.
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