| 2519 | | 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: | | | | |
| 2519.90.10 | 00 | Fused magnesia and dead-burned (sintered) magnesia | kg | Free | | 1.7￠/kg |
| 2520 | | Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulfate) whether or not colored, with or without small quantities of accelerators or retarders: | | | | |
| 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: | | | | |
| 2523.21.00 | 00 | White cement, whether or not artificially colored | t | Free | | $1.76/t, including weight of container |
| 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: | | | | |
| 2526.10.00 | 00 | Not crushed, not powdered | kg | Free | | 0.6￠/kg |
| 2526.20.00 | 00 | Crushed or powdered | t | Free | | 35% |
| 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: | | | | |
| 2528.10.00 | 00 | Natural sodium borates and concentrates thereof (whether or not calcined) | kg | Free | | Free |
| 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: | | | | |
| 2601.11.00 | | Iron ores and concentrates, other than roasted iron pyrites: | | | | |
| 2601.11.00 | 60 | Ores: | | | | |
| 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 |
| 2602.00.00 | 60 | Containing 47 percent or more by weight of manganese | kg Mn kg | | | |
| 2603.00.00 | | Copper ores and concentrates | | 1.7￠/kg on lead content | Free (A,AU,BH, CA,CL,E,IL, J,JO, MA,MX, P,SG) | 8.8￠/kg on copper content + 3.3￠/kg on lead content + 3.7￠/kg on zinc content |
| 2604.00.00 | | Nickel ores and concentrates | | Free | | Free |
| 2605.00.00 | 00 | Cobalt ores and concentrates | kg Co kg | Free | | Free |
| 2606.00.00 | | Aluminum ores and concentrates | | Free | | $1/t |
| 2606.00.00 | 30 | Refractory grade | t | | | |
| 2607.00.00 | | Lead ores and concentrates | | 1.1￠/kg on lead content | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 8.8￠/kg on copper content + 3.3￠/kg on lead content + 3.7￠/kg on zinc content |
| 2608.00.00 | | Zinc ores and concentrates | | Free | | 8.8￠/kg on copper content + 3.3￠/kg on lead content + 3.7￠/kg on zinc content |
