2513 | | Pumice; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat-treated: | | | | |
2513.10.00 | 10 | Crude or in irregular pieces, including crushed pumice | kg | | | |
2514.00.00 | 00 | Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape | t | Free | | 25% |
2515 | | Marble, travertine and other calcareous monumental or building stone of an apparent specific gravity of 2.5 or more, and alabaster, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape: | | | | |
2515.11.00 | 00 | Crude or roughly trimmed | m3 t | Free | | $22.95/m3 |
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: | | | | |
2516.11.00 | 00 | Crude or roughly trimmed | m3 t | Free | | $8.83/m3 |
2516.20.10 | 00 | Crude or roughly trimmed | m3 t | Free | | $5.30/m3 |
2517 | | 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; macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in the first part of the heading; tarred macadam; granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heat-treated: | | | | |
2517.10.00 | | 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 | | Free | | 30% |
2517.20.00 | 00 | Macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in subheading 2517.10 | t | Free | | 30% |
2517.30.00 | 00 | Tarred macadam | t | Free | | 30% |
2517.41.00 | 00 | Granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heat-treated: | | | | |
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: | | | | |
2518.10.00 | 00 | Dolomite, not calcined or sintered | t | Free | | Free |
2518.20.00 | 00 | Calcined or sintered dolomite | t | 3% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 30% |
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 |
2519.90.20 | 00 | Caustic calcined magnesite | t | Free | | $20.70/t |
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 |
2522 | | Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 2825: | | | | |
2522.20.00 | 00 | Slaked lime | kg | Free | | 0.3¢/kg, including weight of container |
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 |