| 2611.00.30 | 00 | Ores | kg W kg | Free |  | $1.10/kg on tungsten content | 
| 2611.00.60 | 00 | Concentrates | kg W kg | 37.5¢/kg on tungsten content | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | $1.10/kg on tungsten content | 
| 2612 |  | Uranium or thorium ores and concentrates: |  |  |  |  | 
| 2612.10.00 | 00 | Uranium ores and concentrates | kg | Free |  | Free | 
| 2612.20.00 | 00 | Thorium ores and concentrates | t | Free |  | Free | 
| 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 |  | Titanium ores and concentrates: |  |  |  |  | 
| 2614.00.30 | 00 | Synthetic rutile | kg | Free |  | 30% | 
| 2614.00.60 |  | Other |  | Free |  | Free | 
| 2614.00.60 | 20 | Ilmenite and ilmenite sand | kg |  |  |  | 
| 2614.00.60 | 40 | Other (including rutile and rutile sand) | kg |  |  |  | 
| 2615 |  | Niobium (columbium), tantalum, vanadium or zirconium ores and concentrates: |  |  |  |  | 
| 2615.10.00 | 00 | Zirconium ores and concentrates | kg | Free |  | Free | 
| 2615.90 |  | Other: |  |  |  |  | 
| 2615.90.30 | 00 | Synthetic tantalum-niobium (columbium) concentrates | kg | Free |  | 30% | 
| 2615.90.60 |  | Other |  | Free |  | Free | 
| 2615.90.60 | 30 | Niobium (columbium) ores and concentrates | kg |  |  |  | 
| 2615.90.60 | 60 | Tantalum ores and concentrates | kg |  |  |  | 
| 2615.90.60 | 90 | Vanadium ores and concentrates | kg V2O5 kg |  |  |  | 
| 2616 |  | Precious metal ores and concentrates: |  |  |  |  | 
| 2616.10.00 |  | Silver ores and concentrates |  | 0.8¢/kg on lead content | Free (A+,AU,BH, CA,CL,D,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 | 
| 2616.10.00 | 10 | Copper content | Cu kg |  |  |  | 
| 2616.10.00 | 20 | Lead content | Pb kg |  |  |  |