| 2517.10 | 000 | Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heat-treated |
| 2517.30 | | Granules, chippings and powder, of stones of heading 25.15 or 25.16, whether or not heat-treated |
| 25.18 | | Dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; dolomite ramming mix |
| 2518.10 | 000 | Dolomite, not calcined or sintered |
| 2518.20 | 000 | Calcined or sintered dolomite |
| 25.19 | | Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure |
| 2519.10 | 000 | Natural magnesium carbonate (magnesite) |
| 2519.90 | 010 | - Magnesium oxide other than calcined natural magnesium carbonate |
| 2519.90 | 091 | -- Magnesia clinker |
| 25.20 | | Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate) whether or not coloured, with or without small quantities of accelerators or retarders: |
| 2520.20 | 010 | 1 Calcined gypsum |
| 2521.00 | 000 | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement |
| 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 |
| 2529.30 | 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) |
| 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 | 090 | - Ferruginous manganese ores and concentrates |
| 2620.21 | 000 | Leaded gasoline sludges and leaded anti-knock compound sludges |
Harmonized Tariff Schedule of Japans inquiry: /etc/passwd
