| 2511 | | Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816: | | | | |
| 2511.10 | | Natural barium sulfate (barytes): | | | | |
| 2511.20.00 | 00 | Natural barium carbonate (witherite) | kg | Free | | 30% |
| 2513 | | Pumice; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat-treated: | | | | |
| 2513.20 | | Emery, natural corundum, natural garnet and other natural abrasives: | | | | |
| 2519 | | Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure: | | | | |
| 2519.10.00 | 00 | Natural magnesium carbonate (magnesite) | t | Free | | $10.33/t |
| 2526 | | Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rect- angular (including square) shape;talc: | | | | |
| 2528 | | Natural borates and concentrates thereof (calcined or not), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight: | | | | |
| 2528.10.00 | 00 | Natural sodium borates and concentrates thereof (whether or not calcined) | kg | Free | | Free |
| 2528.90.00 | 10 | Natural calcium borates | kg | | | |
| 2530.20 | | Kieserite, epsom salts (natural magnesium sulfates): | | | | |
| 2530.90.10 | 00 | Natural cryolite; natural chiolite | t | Free | | Free |
| 2530.90.20 | 00 | Natural micaceous iron oxides | kg | 2.9% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 20% |
| 2707 | | Oils and other products of the distillation of high temperature coal tar; similar products in which the weight of the aromatic constituents exceeds that of the nonaromatic constituents: | | | | |
| 2709.00.20 | 10 | Condensate derived wholly from natural gas | bbl | | | |
| 2711.11.00 | 00 | Natural gas | thousand m3 | Free | | Free |
| 2711.21.00 | 00 | Natural gas | thousand m3 | Free | | Free |
| 2714 | | Bitumen and asphalt, natural; bituminous or oil shale and tar sands; asphaltites and asphaltic rocks: | | | | |
| 2715.00.00 | 00 | Bituminous mixtures based on natural asphalt, on natural bitumen, on petroleum bitumen, on mineral tar or on mineral tar pitch (for example, bituminous mastics, cut-backs) | t | Free | | Free |
| 2844.10 | | Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds: | | | | |
| 2901.10 | | Saturated: | | | | |
| 2901.10.40 | 00 | Derived in whole or in part from petroleum, shale oil or natural gas | kg | Free | | 25% |
| 2901.21.00 | 00 | Unsaturated: | | | | |
| 2901.29.10 | | Derived in whole or in part from petroleum, shale oil or natural gas | | Free | | 25% |
