White Bauxite

White Bauxite gets its name because of its white color, which corresponds to red bauxite, The color of bauxite vary considerably because of chemical and mineralogical compositions. In addition to aluminium hydroxides and water, white bauxite contains up to 20 % silicon dioxide (SiO2), whereas red bauxite contains approx. 20-25 % ferric oxide (Fe2O3) in place of the silicon oxide. Bauxites are typically classified according to their intended commercial application: metallurgical, abrasive, cement, chemical and refractory.

$300.00$500.00 / MT

Description of Bauxite

The name bauxite is applied to earthy deposits and rock principally composed of one or more hydrated aluminum oxide mineral species. Bauxite contains many impurities such as silica, iron and titanium oxides, and various other elements, mostly in minor or trace amounts.

The hydrated aluminum oxide minerals are gibbsite, boehmite, and diaspore. Both boehmite and diaspore are monohydrate and have the same chemical compositions, but diaspore is harder and has higher specific gravity than boehmite. Gibbsite is an aluminum trihydrate mineral.

Typical Applications of Bauxite
Production of alumina, refractories, abrasives, chemicals, castables, plastics, and cement. Bauxite should have a positive future as an industrial mineral in minor applications like a proppant.

Grade of Bauxite

An impure mixture of aluminous minerals. Bauxites are typically classified according to their intended commercial application:

Abrasive grade, Acid grade, Ceramic grade, Metallurgical grade, and Refractory grade

Application gradeContent of Al2O3
Chemical grade55-58% min. pure
Abrasive grade55% min. pure
Refractory grade59-61% min. pure
Metallurgical grade50-55% min. pure

Bauxite Composition:

Bauxite Powder Formula: Al2O3 + SiO2 + TiO2 + Fe2O3

  1. Bauxite is an omnibus term (like wad, limonite, and gummite), widely accepted and used to describe a mixture of more or less hydrated aluminum oxides, but not used as a proper mineral name.
  2. The specific minerals are gibbsite (Al[OH] 3 ), boehmite (AlO[OH]), and diaspore (HAlO 2 ). Any crystals will be microscopic and probably indistinguishable; thus, the word is still useful.
Weight1000 kg
Dimensions100 × 100 × 100 cm


  1. Paul (verified owner)

    Very fast delivery.

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