Nepheline syenite is a kind of rare nonmetal ore with excellent performance. The ore is composed of neheline and feldspar, it is the feldspahic material used in glass and ceramic making compared with common feldspar ore, the nepheline syenite also have the effect of swage-cleaning.

SiO2  A12O3  Fe2O3  K2O  Na2O
60.90  21.00  0.17  8.92  5.68