Chapter 12 MISCELLANEOUS METALLIC MINERALS

ALUMINUM ORES

Economic Features

Bauxite (hydrated aluminum oxide) is the principal ore of aluminum. Over three-fourths of the world's bauxite production and 65 per cent of the United States production is used for the manufacture of aluminum. On an average six tons of bauxite are required to make one ton of metallic aluminum. Other important u

            
            

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