Section 05 Mineral products 25 Salt, sulphur; earths and stone; plastering materials, lirne and cement 25 13 Pumice stone; emery; natural corundum, natural garnet and other natural abrasives, wh Commodity Code Description 25 13 10 Pumice stone 25 13 11 Pumice stone, crude or in irregular pieces, (incl. crushed pumice) 25 13 19 Other pumice stone, nes 25 13 20 Emery, natural corundum, natural garnet and other natural abrasives