Bauxite (/ ˈbɔːksaɪt /) is a sedimentary rock with a relatively high aluminium content. It is the world's main source of aluminium and gallium.

Many people are surprised to learn that bauxite is not a mineral. It is a rock composed mainly of aluminum-bearing minerals. It forms when laterite soils are severely leached of silica and other …

2023年4月3日 · Bauxite is a sedimentary rock mineral that is the primary source of aluminum. It is formed through the weathering of aluminum-rich rocks in tropical and subtropical regions. The …

Originally described from Mas Rouge, Les Baux-de-Provence, Bouches-du-Rhône, Provence-Alpes-Côte d'Azur, France. Currently used as a field-term for unidentified massive hydroxides …

Bauxite is not a mineral, but rather a group of aluminum oxide s. The term is generally used to describe the economically important mixture of these minerals, which form a mass of the …

The principal aluminum hydroxide minerals found in varying proportions with bauxites are gibbsite and the polymorphs boehmite and diaspore. Bauxites are typically classified according to their …

Bauxite is a clay mineral combined with iron, silicon, titanium, sulphur, gallium, chromium, vanadium oxides, as well as sulphuric calcium , iron and magnesium carbonates containing …

2025年1月27日 · Bauxite is the principal ore of aluminum. Bauxites vary physically according to the origin and geologic history of their deposits: some deposits are soft, easily crushed, and …

Bauxite is the primary aluminum ore composed of one or more aluminum hydroxide minerals, including gibbsite (Al (OH)3), boehmite (γ-AlO (OH)), diaspore (α-AlO (OH)), and impurities …

Bauxite: as petrographic term is a residual sedimentary rock product of tropical chemical weathering in which the free aluminium bearing minerals (alumina hydroxide and oxy …