| 2401.20.85 | 30 | Maryland | kg | | | |
| 2401.20.85 | 60 | Blackfat | kg | | | |
| 2401.20.87 | 30 | Maryland | kg | | | |
| 2401.20.87 | 60 | Blackfat | kg | | | |
| 2403.10.30 | 80 | Maryland | kg | | | |
| 2403.10.60 | 80 | Maryland | kg | | | |
| 2403.10.90 | 80 | Maryland | kg | | | |
| 2403.91.43 | 80 | Maryland | kg | | | |
| 2403.91.45 | 80 | Maryland | kg | | | |
| 2403.91.47 | 80 | Maryland | kg | | | |
| 2504.10 | | In powder or in flakes: | | | | |
| 2504.10.10 | 00 | Crystalline flake (not including flake dust) | kg | Free | | 3.6¡é/kg |
| 2506 | | 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: | | | | |
| 2507.00.00 | 00 | Kaolin and other kaolinic clays, whether or not calcined | t | Free | | $2.46/t |
| 2508 | | Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths: | | | | |
| 2508.30.00 | 00 | Fire-clay | t | Free | | $1.97/t |
| 2508.40.01 | | Other clays | | Free | | $1.97/t |
| 2508.40.01 | 10 | Common blue clay and other ball clays | 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 |
| 2513.10.00 | 10 | Crude or in irregular pieces, including crushed pumice | kg | | | |
| 2513.20.10 | 00 | Crude or in irregular pieces | kg | Free | | Free |
| 2514.00.00 | 00 | Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape | t | Free | | 25% |
| 2515 | | Marble, travertine and other calcareous monumental or building stone of an apparent specific gravity of 2.5 or more, and alabaster, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape: | | | | |
| 2515.12 | | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape: | | | | |
| 2515.20.00 | 00 | Other calcareous monumental or building stone; alabaster | t | 3% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 50% |
