crushed rock feldspar beneficiation technology
FeldsparProcessing, Technology, Advantages, Market. There are two types of feldspar:Soda peldspar(7 percent or higher Na2O) and Potash feldspar(8 percent or K2O).Feldspar silica mixtures can occur naturally, such as in sand deposits, or can be obtaied from flotation of mined and crushed rock.