| Tariff Classification |
| section 05 | Mineral products |
| chapter 25 | Salt; sulphur; earths and stone; plastering materials, lime and cement |
| 25.06 | Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape: |
| 2506.20 | －Quartzite |
|