<P> Aluminium or aluminum is a chemical element with symbol Al and atomic number 13 . It is a silvery - white , soft , nonmagnetic and ductile metal in the boron group . By mass , aluminium makes up about 8 % of the Earth 's crust ; it is the third most abundant element after oxygen and silicon and the most abundant metal in the crust , though it is less common in the mantle below . The chief ore of aluminium is bauxite . Aluminium metal is so chemically reactive that native specimens are rare and limited to extreme reducing environments . Instead , it is found combined in over 270 different minerals . </P>
<P> Aluminium or aluminum is a chemical element with symbol Al and atomic number 13 . It is a silvery - white , soft , nonmagnetic and ductile metal in the boron group . By mass , aluminium makes up about 8 % of the Earth 's crust ; it is the third most abundant element after oxygen and silicon and the most abundant metal in the crust , though it is less common in the mantle below . The chief ore of aluminium is bauxite . Aluminium metal is so chemically reactive that native specimens are rare and limited to extreme reducing environments . Instead , it is found combined in over 270 different minerals . </P>
where does aluminium come from in its raw form
where does aluminium come from in its raw form
in over 270 different minerals
in over 270 different minerals