What Is The Difference Between Rock Garnet Sand And River Garnet Sand?

The most popular garnet sand right now is river garnet sand, which is more clean than rock garnet sand.

China garnet sand includes rock garnet sand and alluvial garnet sand. Rock garnet sand has a little higher hardness than river garnet sand. So we can say, the river garnet sand is suitable for water jet cutting, the rock garnet sand is more suitable for sandblasting. Besides, garnet sand 30/60 mesh 20/40 mesh are the normal sizes for sandblasting. And waterjet cutting garnet sand is always 80mesh.

In general, rock garnet sand is deep red color while river garnet is pink. Alluvial pink garnet has more rounded surface, it won't damage the materail in the process of cutting or blasting . And can keep the cutting surface smooth.