Section 13 Articles of stone, plaster,cement,asbestos, mica or similar materials; ceramic products; glass and glassware 68 Articles of stone, plaster, cement, asbestos, mica or similar materials 68 02 Worked monumental/building stone; mosaic cubes; granules, chippings... 68 02 22 Other calcareous stone, nes, cut/sawn, with flat/even surface Commodity Code Description 68 02 22 00 Other calcareous stone, nes, cut/sawn, with flat/even surface