| 2506.20.00 | 10 | Crude or roughly trimmed | t | | | |
| 2507.00.00 | 00 | Kaolin and other kaolinic clays, whether or not calcined | t | Free | | $2.46/t |
| 2508.40.01 | | Other clays | | Free | | $1.97/t |
| 2508.40.01 | 10 | Common blue clay and other ball clays | t | | | |
| 2510.10.00 | 00 | Unground | t | Free | | Free |
| 2510.20.00 | 00 | Ground | t | Free | | Free |
| 2511.10.10 | 00 | Ground | t | Free | | $7.38/t |
| 2512.00.00 | 00 | Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less | t | Free | | Free |
| 2513.20.10 | 00 | Crude or in irregular pieces | kg | Free | | Free |
| 2515.11.00 | 00 | Crude or roughly trimmed | m3 t | Free | | $22.95/m3 |
| 2516.11.00 | 00 | Crude or roughly trimmed | m3 t | Free | | $8.83/m3 |
| 2516.20.10 | 00 | Crude or roughly trimmed | m3 t | Free | | $5.30/m3 |
| 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 | | Free | | 30% |
| 2518.10.00 | 00 | Dolomite, not calcined or sintered | t | Free | | Free |
| 2519.90.10 | 00 | Fused magnesia and dead-burned (sintered) magnesia | kg | Free | | 1.7￠/kg |
| 2520.20.00 | 00 | Plasters | t | Free | | $1.38/t |
| 2523.10.00 | 00 | Cement clinkers | t | Free | | $1.32/t, including weight of container |
| 2523.21.00 | 00 | White cement, whether or not artificially colored | t | Free | | $1.76/t, including weight of container |
| 2523.90.00 | 00 | Other hydraulic cements | t | Free | | $1.32/t, including weight of container |
| 2524.90.00 | 30 | Crudes | t | | | |
| 2524.90.00 | 45 | Milled fibers, group 4 and 5 grades | t | | | |
| 2525.10.00 | | Crude mica and mica rifted into sheets or splittings | | Free | | Free |
| 2525.10.00 | 10 | Split block mica | kg | | | |
| 2525.10.00 | 20 | Mica splittings | kg | | | |
| 2526.10.00 | 00 | Not crushed, not powdered | kg | Free | | 0.6￠/kg |
