25 SALT, SULPHUR, EARTH & STONE, LIME & CEMENT

2501 salt incl table & dentrd, pure sodium chloride
2502 unroasted iron pyrites
2503 sulfur of all kinds nesoi
2504 natural graphite
2505 natural sands of all kinds, except metal-bearing
2506 quartz (other than natural sands), quartzite
2507 kaolin and other kaolinic clays, incl calcined
2508 clays nesoi, andalusite, kyanite etc, mullite etc
2509 chalk
2510 natural calcium (inc alum cal) phosp & phosp chalk
2511 natural barium sulfate, nat barium carbonate nesoi
2512 siliceous fossil meals & earths w spec grav of 1 or less
2513 pumice, emery, natural corundum and garnet etc
2514 slate, crude or roughly trimmed
2515 marble, travertine etc. and alabaster, crude etc.
2516 granite, porphyry, basalt etc., crude or cut etc.
2517 pebbles, gravel etc, macadam of slag, dross etc.
2518 dolomite, calcined or not, roughly trimmed etc.
2519 magnesite, fused magnesia, d-b magn, m oxide nesoi
2520 gypsum, anhydrite, plasters (cal gypsm or sulfate)
2521 limestone flux, lmstn & oth cal sto usd mfr lime, cement
2522 quicklime, slaked lime and hydraulic lime
2523 portland cement, aluminous cement, slag cement etc
2524 asbestos
2525 mica, including splittings, mica waste
2526 natural steatite, roughly trimmed etc, talc
2527 natural cryolite, natural chiolite
2528 natural borates & conc, natural boric acid n/ov 85%
2529 feldspar, leucite, nepheline, & syenite, fluorspar
2530 mineral substances nesoi

26 ORES SLAG & ASH

2601 iron ores & concentrates, including roast pyrites
2602 manganese ores & concentrates inc mangnfrs iron ores
2603 copper ores and concentrates
2604 nickel ores and concentrates
2605 cobalt ores and concentrates
2606 aluminum ores and concentrates
2607 lead ores and concentrates
2608 zinc ores and concentrates
2609 tin ores and concentrates
2610 chromium ores and concentrates
2611 tungsten ores and concentrates
2612 uranium or thorium ores and concentrates
2613 molybdenum ores and concentrates
2614 titanium ores and concentrates
2615 niobium, tantalum, vanadium & zirconium ore & conc
2616 precious metal ores and concentrates
2617 ores and concentrates nesoi
2618 granulated slag from iron or steel manufacture
2619 slag, dross, scalings & other waste from manu iron/steel
2620 ash & residues (not from iron etc mfr) with metal cont
2621 ash and slag nesoi, including seaweed ash (kelp)

27 MINERAL FUELS, OILS, WAXES & BITUMINOUS SUB

2701 coal, briquettes, ovoids etc, mfr from coal
2702 lignite, agglomerated or not, excluding jet
2703 peat (including peat litter), incl agglomrtd
2704 coke etc of coal, lignite or peat, retort carbon
2705 coal gas, water gas, prdcr gas etc, ex pet gs & othgs
2706 mineral tars, including reconstituted tars
2707 oils etc from high temp coal tar, sim aromatic etc
2708 pitch & pitch coke from coal tar or other min tars
2709 crude oil from petroleum and bituminous minerals
2710 oil (not crude) from petrol & bitum mineral etc,
2711 petroleum gases & other gaseous hydrocarbons
2712 petroleum jelly, mineral waxes & similar products
2713 petroleum coke, petroleum bitumen & other residues
2714 bitumen & asphalt, natural, shale & tar sands etc.
2715 bit mixture from nat asph, nat bit, pet bit, min tar or pt
2716 electrical energy