Existing need Aluminium is the most abundant metallic element in the Earth's crust, but it is rarely found in its elemental state. It occurs in many minerals, but its primary commercial source is bauxite, a mixture of hydrated aluminium oxides and compounds of other elements such as iron.
Existing need Aluminium is the most abundant metallic element in the Earth's crust but it is rarely found in its elemental state. It occurs in many minerals, but its primary commercial source is bauxite a mixture of hydrated aluminium oxides and compounds of other elements such as iron