Aluminium

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Aluminium [alyoominyuhml or aluminum [aloominuhml A1, element 13, melting point 6600C. A silvery metal, the third most abundant element in the Earth's crust, it forms a tough oxide coating and is then passive to further oxidation; with its relatively low density, 207 g/cm3, this makes it a valuable structural metal. >> bauxite; chemical elements; cryolite

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