Aluminum is found in abundance on Earth’s surface. It is available in various forms like oxides, sulphates, silicates, phosphates etc. But it is produced commercially mainly from bauxite (Al2O3, 2H2O), which is a hydrated oxide of aluminum.
Bauxite deposits occur almost all over India, and particularly those at Balaghat, Kutni, Chhota Nagpur, Bhopal and Rewa are well known. The laterite deposits on the south-eastern and south-western coasts are also rich in bauxite content. Indian bauxite deposits compare favourably with those in any other parts of the world in the percentage of aluminium content.
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