| 2516 | | Granite, porphyry, basalt, sandstone and other monumental or building stone, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape: | | | | |
| 2516.12.00 | | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape | | 2.8% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 60% |
| 2516.20.20 | 00 | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape | t | 3% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 50% |
| 2518 | | 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: | | | | |
| 2521.00.00 | 00 | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement | t | Free | | Free |
| 2523 | | Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers: | | | | |
| 2523.30.00 | 00 | Aluminous cement | t | Free | | $1.32/t, including weight of container |
| 2524.10.00 | 00 | Crocidolite (Blue) | t | Free | | Free |
| 2525 | | Mica, including splittings; mica waste: | | | | |
| 2526 | | Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rect- angular (including square) shape;talc: | | | | |
| 2528 | | Natural borates and concentrates thereof (calcined or not), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight: | | | | |
| 2529 | | Feldspar; leucite, nepheline and nepheline syenite; fluorspar: | | | | |
| 2529.21.00 | 00 | Fluorspar: | | | | |
| 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 |
| 2530 | | Mineral substances not elsewhere specified or included: | | | | |
| 2601 | | Iron ores and concentrates, including roasted iron pyrites: | | | | |
| 2602.00.00 | | Manganese ores and concentrates, including ferruginous manganese ores and concentrates with a manganese con- tent of 20 percent or more, calculated on the dry weight | | Free | | 2.2￠/kg on manganese content |
| 2606.00.00 | | Aluminum ores and concentrates | | Free | | $1/t |
| 2614.00.60 | 40 | Other (including rutile and rutile sand) | kg | | | |
| 2615 | | Niobium (columbium), tantalum, vanadium or zirconium ores and concentrates: | | | | |
| 2615.90.30 | 00 | Synthetic tantalum-niobium (columbium) concentrates | kg | Free | | 30% |
| 2615.90.60 | 30 | Niobium (columbium) ores and concentrates | kg | | | |
| 2615.90.60 | 60 | Tantalum ores and concentrates | kg | | | |
| 2620.21.00 | | Leaded gasoline sludges and leaded anti- knock compound sludges | | Free | | 8.8￠/kg on copper content + 3.3￠/kg on lead content + 3.7￠/kg on zinc content |
