... grinding machine mining equipement used in calcite, diatomite, barite, gypsum, alunite, graphite, fluorite, phosphate applicationUltra-fine ... ultra-fine grinding is widely used in calcite, diatomite, barite, gypsum, alunite, graphite, fluorite, phosphate rock, limestone, ... illite, pyrophyllite, vermiculite, K minerals, pumice and so on.working processThe working process of ultra-fine grinding machine: ...