Which equipment should be installed to get 99.5% purity silica from granite powder (composition- 66.94% Sio2,14.11%Al2o3, .78% Fe2O3,.55%Fe(T),5.12 %k2O,5.69% Na2O,1.94% CaO. .71% MgO) of size 100 mesh? Where is the radio station The Buzz 94.5 located?