Sillimanite Stone Grinding Mill - fengli-china.blogspot. Sillimanite stone Grinding Mill can be used to grind barite, calcite, kalium, marble, glass, feldspar,dolomite, kaolin, bentonite, talcum, talc, diatomite, gypsum, etc.Sillimanite Grinding Mill (impact crusher) is widely used in the metallurgy, building, chemical industry, and mining field..