Question

what is bauxite? what are the main impurities found in the ore?​

Answer 1

Answer:

The major impurities in Bauxite are iron oxides (goethite & hematite), silicon dioxide, the clay mineral kaolinite as well as small amounts of anatase (TiO2). Consequently, its composition varies considerably with alumina constituting from about 50% to about 70%.

Answer 2

Answer:

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Bauxite is a sedimentary rock with a relatively high aluminium content. It is the world's main source of aluminium and gallium. The major impurities in Bauxite are iron oxides (goethite & hematite), silicon dioxide, the clay mineral kaolinite as well as small amounts of anatase (TiO2). Consequently, its composition varies considerably with alumina constituting from about 50% to about 70%.