machinary used in grinding of quartz and feldspar
machinary used in grinding of quartz and feldspar. KGSBull 96 Pt 6Feldspar and Silica from River Sands in Kansas 3 Jan 2008 At the present time feldspar and silica sand are shipped into the Kansas region The degree of grinding to be used was selected by placing 1 kg charges of in the 3liter glass cell of a laboratory Fagergren flotation machine The usual method of separating