Abrasives and Polishing Agents | PDF | Abrasive ...
Arkansas stone - Semi translucent, light gray, siliceous sedimentary rock, mined in Arkansas. - It contains microcrystalline quartz. - fine grinding of tooth enamel and metal alloys. 2. Chalk - Mineral form of calcite. - Contains calcium carbonate. - Used as mild abrasive paste to polish teeth enamel, gold foil, amalgam and plastic materials. 3.