| 2517.30 | | Granules, chippings and powder, of stones of heading 25.15 or 25.16, whether or not heat-treated |
| 2517.41 | 000 | Of marble |
| 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 |
| 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 |
| 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: |
| 2521.00 | 000 | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement |
| 25.22 | | Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 28.25 |
| 25.23 | | Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers |
| 2523.21 | 000 | White cement, whether or not artificially coloured |
| 2525.10 | 000 | Crude mica and mica rifted into sheets or splittings |
| 25.26 | | Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc |
| 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 |
| 2529.10 | 000 | Feldspar |
| 2529.10 | | 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 |
| 25.30 | | Mineral substances not elsewhere specified or included |
| 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 | 010 | -- Containing more than 39% of manganese calculated on the dry weight |
| 2602.00 | 090 | - Ferruginous manganese ores and concentrates |
| 2618.00 | 000 | Granulated slag (slag sand) from the manufacture of iron or steel |
| 2619.00 | 000 | Slag, dross (other than granulated slag), scalings and other waste from the manufacture of iron or steel |
Harmonized Tariff Schedule of Japans inquiry: /etc/passwd
