Nepheline, also called nephelite, is a feldspathoid: a silica- undersaturated aluminosilicate that occurs in intrusive and volcanic rocks with low silica, and in their associated pegmatites. It is often found in micaschist and gneiss. Nepheline mainly used for glass and ceramics industry, or as raw material of the refined aluminum.

Crushed Nepheline powder is an important raw material of glass and ceramics industry, or as raw material of the refined aluminum. Before processing Nepheline powder for glass and ceramics industry, you need firstly Nepheline stone to be 265mesh~ 2500mesh. Clirik offers HGM series nepheline ultrafine mill and high pressure nepheline grinding mill to grind Nepheline stone. And you can choose open circuit or closed circuit powder grinding system according to your real situation.
   Grayish-white nepheline crystals with dark schorlomite