... ,bigger capacity Fineness of the finished product can be adjust. Stone mill, rock mill, ore mill:HGM Three-Rings & Medium-Speed MicroPowder ... attapulgite, tablite, ceyssatite, barite, gypsum, alunite, black lead, fluorite, phosphate rock, potassium ore, floatstone etc. When HGM mills are used to ... -Speed MicroPowder Mill technical data shall not be advised additionally. Stone mill, rock mill, ore mill