... mining equipment ultrafine grinding machine mining equipement used in calcite, diatomite, barite, gypsum, alunite, graphite, fluorite, phosphate applicationUltra-fine grinding machine is a ... -explosive brittle material, ultra-fine grinding is widely used in calcite, diatomite, barite, gypsum, alunite, graphite, fluorite, phosphate rock, limestone, dolomite, kaolin, bentonite ...