... barite, gypsum, alunite, graphite, fluorite mining equipment ultrafine grinding machinery mining equipement used in calcite, diatomite, barite, gypsum, ... alunite, graphite, fluorite, phosphate applicationUltra-fine grinding machine is a powder processing equipment, which is mainly ... hardness <6 non-explosive brittle material, ultra-fine grinding is widely used in calcite, diatomite, barite, ...