Section 05 Mineral products 25 Salt; sulphur; earths and stone; plastering materials, lime and cement 25 13 Pumice stone; emery; natural corundum, etc, and other natural abrasives 25 13 20 Emery, natural corundum, natural garnet and other natural abrasives 25 13 20 00 Emery, natural corundum, natural garnet and other natural abrasives Commodity Code Description 25 13 20 00 000 Emery, natural corundum, natural garnet and other natural abrasives