An important mineral similar to a feldspar, primarily used as a flux in glazes. it introduces several alkalis: potash, soda, calcia, and magnesia. Very low iron content.
WARNING: Contains free crystalline silica, which could lead to silicosis or other lung diseases after very long exposure. IRAC has classified crystalline silica as a carcinogen, based on evidence of carcinogenicity in experimental animals and limited evidence of carcinogenicity to humans. Wear a NIOSH approved respirator. For further information, contact: Rovin Ceramics at 734/424.3345