| 2528.00 | 000 | Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85% of H3BO3 calculated on the dry weight |
| 25.29 | | Feldspar; leucite; nepheline and nepheline syenite; fluorspar |
| 2529.21 | 000 | Containing by weight 97% or less of calcium fluoride |
| 2529.22 | 000 | Containing by weight more than 97% of calcium fluoride |
| 2529.30 | 000 | Leucite; nepheline and nepheline syenite |
| 25.30 | | Mineral substances not elsewhere specified or included |
| 2530.10 | 000 | Vermiculite, perlite and chlorites, unexpanded |
| 2530.20 | 000 | Kieserite, epsomite (natural magnesium sulphates) |
| 2530.90 | 000 | Other |
| 26.01 | | Iron ores and concentrates, including roasted iron pyrites: |
| 26.01 | | Iron ores and concentrates, other than roasted iron pyrites |
| 2601.11 | 000 | Non-agglomerated |
| 2601.12 | 000 | Agglomerated |
| 2601.20 | 000 | Roasted iron pyrites |
| 2602.00 | | Manganese ores and concentrates, including ferruginous manganese ores and concentrates with a manganese content of 20% or more, calculated on the dry weight |
| 2602.00 | | - Manganese ores and concentrates |
| 2602.00 | 010 | -- Containing more than 39% of manganese calculated on the dry weight |
| 2602.00 | 019 | -- Other |
| 2602.00 | 090 | - Ferruginous manganese ores and concentrates |
| 2603.00 | 000 | Copper ores and concentrates |
| 2608.00 | 000 | Zinc ores and concentrates |
| 2609.00 | 000 | Tin ores and concentrates |
| 2610.00 | 000 | Chromium ores and concentrates |