Section 05 Mineral products 25 Salt, sulphur; earths and stone; plastering materials, lirne and cement 25 06 Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merel Commodity Code Description 25 06 10 Quartz 25 06 20 Quartzite 25 06 21 Crude or roughly trimmed quartzite 25 06 29 Quartzite cut into rectangular blocks or slabs
