Sub-Chapter200620072008
Salt (including table salt)$3,037,652$3,993,902$4,747,832
Unroasted iron pyrites.$596,858$6,799,546$44,248
Natural graphite.$233,795$143,962$90,534
Natural sands of all kinds$2,947,616$2,686,746$10,298,858
Quartz (other than natural sands); quartzite$110,274$233,149$338,712
Kaolin and other kaolinic clays, whether or not calcined.$614,783$676,056$1,798,186
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$1,779,236$2,616,469$3,485,881
Chalk.$654,873$212,179 
Natural calcium phosphates$89,196$163,054$65,284
Natural barium sulphate (barytes)$4,565,402$160,069$4,656,108
Siliceous fossil meals$127,834$185,754$1,162,168
Pumice stone; emery; other natural abrasives$67,020$547,629 
Slate$41,883$8,547$144,340
Marble, travertine, ecaussine and other stone$3,051,842$2,856,162$427,915
Granite, porphyry, basalt, sandstone and other stone$15,899,602$2,287,319$200,617
Pebbles, gravel, broken or crushed stone$125,537,501$97,488,763$99,886,255
Dolomite, whether or not calcined or sintered$588,087$308,898$533,589
Natural magnesium carbonate (magnesite)$354,596$89,088$14,044
Gypsum; anhydrite; plasters$11,740,214$11,862,467$13,370,519
Limestone flux; limestone$455,965$20,460,485$25,560,421
Quicklime, slaked lime and hydraulic lime$267,552$322,117$661,174
Portland cement, aluminous cement, slag cement$161,354,902$363,523,864$228,019,829
Asbestos.$20,559$7,253 
Mica, including splitings; mica waste.$142,652$339,553$176,549
Natural steatite, whether or not roughly trimmed$845,086$1,381,026$324,702
Natural borates and concentrates thereof$576,534$245,523$169,323
Felspar; leucite and nepheline syenite$593,483$597,903$3,939,026
Mineral substances$633,252$764,816$403,040
Total$336,928,249$520,962,299$400,519,154