... barite, calcite, potassium feldspar, talc, marble, limestone, dolomite, jade-like stone stone, lime, activated clay, activated carbon, bentonite, kaolin, cement, phosphate ... . Contact informationThank you for your attention of my show, I am Shally, if you are interested in our products. ... send me an enquiry, so that i can send you the detail information soon. Stone hardness less than 7 stage Raymond ...