| 2530.20.20 | 00 | Epsom salts | kg | Free | | 20% |
| 2530.90 | | Other: | | | | |
| 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 | | Other | | Free | | 0.3¢/kg |
| 2530.90.80 | 10 | Celestite | kg | | | |
| 2530.90.80 | 15 | Earth colors | kg | | | |
| 2530.90.80 | 50 | Other | 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 | | | |
| 2603.00.00 | 40 | Silver content | Ag g | | | |
| 2603.00.00 | 50 | Gold content | Au g | | | |
| 2610.00.00 | 20 | Having a chromium content equivalent to not more than 40 percent chromic oxide (Cr2O3) | t Cr2O3 t | | | |
| 2610.00.00 | 40 | Having a chromium content equivalent to more than 40 percent but less than 46 percent chromic oxide (Cr2O3) | t Cr2O3 t | | | |
| 2610.00.00 | 60 | Having a chromium content equivalent to 46 percent or more chromic oxide (Cr2O3) | t Cr2O3 t | | | |
| 2611.00.30 | 00 | Ores | kg W kg | Free | | $1.10/kg on tungsten content |
| 2613 | | Molybdenum ores and concentrates: | | | | |
| 2613.10.00 | 00 | Roasted | kg Mo kg | 12.8¢/kg on molybdenum content + 1.8% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX,P) 4.8¢/kg on molybdenum content + 0.6% (SG) | $1.10/kg on molybdenum content + 15% |
| 2613.90.00 | 00 | Other | kg Mo kg | 17.8¢/kg on molybdenum content | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 77.2¢/kg on molybdenum content |
| 2614.00.30 | 00 | Synthetic rutile | kg | Free | | 30% |
| 2615.90.30 | 00 | Synthetic tantalum-niobium (columbium) concentrates | kg | Free | | 30% |
| 2619.00.30 | 00 | Ferrous scale | t | Free | | 73.8¢/t |
| 2620.19.30 | 00 | Zinc dross and zinc skimmings | kg Zn kg | Free | | 3.3¢/kg |