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Detailed description, properties, and locality information guide about the aluminum mineral bauxite. Minerals.net Complete Information Guide to Rocks, Minerals, & Gemstones

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Bauxite is a naturally occurring, heterogeneous material composed primarily of one or more aluminum hydroxide minerals, plus various mixtures of silica, iron oxide, titania, aluminosilicate, and other impurities in minor or trace amounts.

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Clay minerals, alunite, anorthosite, power plant ash, and oil shale could be used to produce alumina but at higher costs, using different processes. Silicon carbide and synthetic corundum are sometimes used in place of bauxite-based abrasives.

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Bauxite is a sedimentary rock with a relatively high aluminium content. It is the world's main source of aluminium. ... Bauxite consists mostly of the aluminium minerals gibbsite (Al(OH) 3), ... Increased aluminium recycling, which has the advantage of lowering the cost in electric power in producing aluminium, ...

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Color change diaspore is an extremely rare gemstone-quality form of aluminum oxide hydroxide, one of three major mineral components of bauxite, an important ore of aluminum widely used for many industrial purposes. Color change diaspore is extremely rare and as its descriptive name suggests, it has a unique ability to change color …

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