... -425meshes(even till 1000meshes), such as cement clinker (born), quartz, feldspar, calcite, dolomite, graphite, fluorite, wollastonite, phosphate rock, calcium magnesium phosphate ... , coal, gangue, slag, zircon sand, talc, granite, potash feldspar, marble, barites, ceramics, glass and other grinding materials of more ...