Natural zeolite - 200 mesh , 60-150 mesh, pellet size, bentonite - 200 mesh , 60-150 mesh, pellet size.
Minerals zinc, copper.
Ores and minerals.
Magnesite.
China Clay Minerals.
Attapulgite and bentonite mineral.
Cenosphere & coal.
Dead burned magnesite, fused magnesite, caustic calcined magnesite, magnesite, magnesia, magnesium.
Pyrites.