06. GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS (HM)
Explanation:
$\left. {\begin{array}{*{20}{c}}
{{\text{Bauxite}}\,\,\,(A{l_2}{O_3})} \\
{{\text{Cryolite}}\,\,(N{a_3}Al{F_6})} \\
{{\text{Corundum}}\,\,(A{l_2}{O_3})}
\end{array}} \right\}\( Minerals of \)Al$
\({\rm{Gypsum }} \,\,(CaS{O_4}.2{H_2}O)\)