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Ingredients and gangue in bauxite....

Ingredients and gangue in bauxite.

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Bauxite contins 30% to 70% of `Al_(2)O` and remaining part is gangue. It is made up of sand, silica, iron, oxide.etc. Silica `(SiO_(2))` ferric oxide `(Fe_(2)O_(3))` and titatnium oxide `(TiO_(2))` are the impurities present in bauxite.
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