Dolomite Grinding Mill Dolomite powder Introduction Dolomite grinding mill also known as dolomite powder grinding mill and dolomite grinding machine is mainly used for processing medium or low hardness non flammable and explosive brittle materials which have grade 6 or less Mohs hardness such as dolomite calcite chalk limestone carbon black kaolin bentonite mica talc magnesite illite pyrophyllite ore vermiculite