| 2524.90.00 | 60 | Other | t | | | |
| 2525.10.00 | 50 | Other | kg | | | |
| 2525.20.00 | 00 | Mica powder | kg | Free | | 20% |
| 2525.30.00 | 00 | Mica waste | kg | Free | | 8.8￠/kg |
| 2528.90.00 | | Other | | Free | | Free |
| 2528.90.00 | 50 | Other | kg | | | |
| 2529.10.00 | 00 | Feldspar | t | Free | | 49￠/t |
| 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 | | | |
| 2529.30.00 | 50 | Other | t | | | |
| 2530.20.10 | 00 | Kieserite | kg | Free | | Free |
| 2530.90.10 | 00 | Natural cryolite; natural chiolite | t | Free | | Free |
| 2530.90.80 | | Other | | Free | | 0.3￠/kg |
| 2530.90.80 | 10 | Celestite | kg | | | |
| 2530.90.80 | 50 | Other | kg | | | |
| 2601.11.00 | 60 | Coarse | t | | | |
| 2601.11.00 | 90 | Other | t | | | |
| 2601.12.00 | 90 | Other | t | | | |
| 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 | | | |
| 2606.00.00 | 30 | Refractory grade | t | | | |
| 2606.00.00 | 60 | Other | t | | | |
| 2606.00.00 | 90 | Other | t | | | |
