Bentonite Powder Pulverizer Hammer Plant 2012 10 13 Mineral Pulverizer Plantpowder Grinder Mill Stone Powder. Mineral pulverizer plant is for super fine grinding materials with hardness less than 6 in Mohs scale and humidity less than 6 percent such as kaolin, limestone, basalt, calcite, marble, talcum, barite, gypsum, dolomite, bentonite mud, mica, pyrophyllite, sepiolite, carbon …