| 2525.10.00 | 20 | Mica splittings | kg | | | |
| 2525.30.00 | 00 | Mica waste | kg | Free | | 8.8￠/kg |
| 2528.90.00 | 10 | Natural calcium borates | kg | | | |
| 2529.21.00 | 00 | Containing by weight 97 percent or less of calcium fluoride | t | Free | | 13.5% |
| 2529.22.00 | 00 | Containing by weight more than 97 percent of calcium fluoride | t | Free | | $5.51/t |
| 2529.30.00 | | Leucite; nepheline and nepheline syenite | | Free | | Free |
| 2529.30.00 | 10 | Nepheline syenite | t | | | |
| 2530.20.10 | 00 | Kieserite | kg | Free | | Free |
| 2530.20.20 | 00 | Epsom salts | kg | Free | | 20% |
| 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% |
| 2530.90.80 | 10 | Celestite | kg | | | |
| 2530.90.80 | 15 | Earth colors | kg | | | |
| 2601.11.00 | 30 | Concentrates | t | | | |
| 2601.11.00 | 60 | Coarse | t | | | |
| 2601.12.00 | 30 | Pellets | t | | | |
| 2601.12.00 | 60 | Briquettes | t | | | |
| 2601.20.00 | 00 | Roasted iron pyrites | t | Free | | Free |
| 2602.00.00 | | Manganese ores and concentrates, including ferruginous manganese ores and concentrates with a manganese con- tent of 20 percent or more, calculated on the dry weight | | Free | | 2.2￠/kg on manganese content |
| 2602.00.00 | 40 | Containing less than 47 percent by weight of manganese | kg Mn kg | | | |
| 2602.00.00 | 60 | Containing 47 percent or more by weight of manganese | kg Mn kg | | | |
| 2603.00.00 | | Copper ores and concentrates | | 1.7￠/kg on lead content | Free (A,AU,BH, CA,CL,E,IL, J,JO, MA,MX, P,SG) | 8.8￠/kg on copper content + 3.3￠/kg on lead content + 3.7￠/kg on zinc content |
| 2603.00.00 | 10 | Copper content | Cu kg | | | |
| 2603.00.00 | 20 | Lead content | Pb kg | | | |
| 2603.00.00 | 30 | Zinc content | Zn kg | | | |
