... fine grinding machinery for grinding alcite, diatomite, barite, gypsum, alunite, graphite, fluorite mining equipment ultrafine grinding machinery mining ... equipement used in calcite, diatomite, barite, gypsum, alunite, graphite, fluorite, phosphate applicationUltra-fine ... hardness <6 non-explosive brittle material, ultra-fine grinding is widely used in calcite, diatomite, barite ...