| 2508.50.00 | - Andalusite, kyanite and sillimanite | |
| 2508.60.00 | - Mullite | |
| 2508.70.00 | - Chamotte or dinas earths | |
| 2509.00.00 | ||
| 2510.10.00 | - Unground | |
| 2510.20.00 | - Ground | |
| 2511.10.00 | - Natural barium sulphate (barytes) | |
| 2511.20.00 | - Natural barium carbonate (witherite) | |
| 2512.00.00 | ||
| 2513.10.00 | - Pumice stone | |
| 2513.20.00 | - Emery, natural corundum, natural garnet and other natural abrasives | |
| 2514.00.00 | ||
| 2515.11.00 | -- Crude or roughly trimmed | |
| 2515.12.00 | -- Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape | |
| 2515.20.00 | - Ecaussine and other calcareous monumental or building stone; | |
| 2516.11.00 | -- Crude or roughly trimmed | |
| 2516.12.00 | -- Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape | |
| 2516.20.00 | - Sandstone | |
| 2516.90.00 | - Other monumental or building stone | |
| 2517.10.00 | - Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heat-treated | |
| 2517.20.00 | - Macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in subheading 2517.10 | |
| 2517.30.00 | - Tarred macadam | |
| 2517.41.00 | -- Of marble | |
| 2517.49.00 | -- Other | |
| 2518.10.00 | - Dolomite, not calcined or sintered |