| 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: | | | | |
| 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: | | | | |
| 2516 | | Granite, porphyry, basalt, sandstone and other monumental or building stone, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape: | | | | |
| 2516.12.00 | | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape | | 2.8% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 60% |
| 2516.20.20 | 00 | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape | t | 3% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 50% |
| 2518 | | Dolomite whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; dolomite ramming mix: | | | | |
| 2530 | | Mineral substances not elsewhere specified or included: | | | | |
| 2614.00 | | Titanium ores and concentrates: | | | | |
| 2615 | | Niobium (columbium), tantalum, vanadium or zirconium ores and concentrates: | | | | |
| 2615.90.30 | 00 | Synthetic tantalum-niobium (columbium) concentrates | kg | Free | | 30% |
| 2615.90.60 | 60 | Tantalum ores and concentrates | kg | | | |
| 2620.99.50 | 00 | Slag containing by weight over 40 percent titanium, and which if containing over 2 percent by weight of copper, lead, or zinc is not to be treated for the recovery thereof | kg | Free | | Free |
| 2711.13.00 | | Butanes | | Free | | Free |
| 2711.13.00 | 10 | Butanes with a purity of 90 liquid volume percent or more, but less than 95 liquid volume percent | bbl | | | |
| 2711.29.00 | 20 | Butanes: | | | | |
| 2711.29.00 | 20 | Butanes with a purity of 90 liquid volume percent or more, but less than 95 liquid volume percent | bbl | | | |
| 2712.90.10 | 00 | Montan wax | kg | Free | | Free |
| 2823.00.00 | 00 | Titanium oxides | kg | 5.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 30% |
| 2827.39.30 | 00 | Of titanium | kg | 4.9% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 30% |
| 2841.90.30 | 00 | Potassium stannate | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2850.00.07 | 00 | Of titanium | kg | 4.9% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 30% |
| 2901.10.10 | 00 | Ethane and butane | kg | Free | | Free |
| 2901.10.30 | 00 | n-Pentane and isopentane | kg | Free | | 25% |
