Sub-Chapter200520072008
Salt (including table salt)$640,297$1,639,327$2,066,422
Unroasted iron pyrites.$4,493 $150
Natural graphite.$412,002$165,733$166,945
Natural sands of all kinds$287,500$418,954$1,719,743
Quartz (other than natural sands); quartzite$3,996$105,415$36,722
Kaolin and other kaolinic clays, whether or not calcined.$91,317$207,577$175,446
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$1,247,996$809,047$681,060
Chalk.$29,588$1,412$222,369
Natural calcium phosphates$592$3,500$91,718
Natural barium sulphate (barytes)$1,966,784$1,507,931$1,465,265
Siliceous fossil meals$1,141,209$1,162,713$735
Pumice stone; emery; other natural abrasives$9,805$35,175 
Slate$14,586$40,272 
Marble, travertine, ecaussine and other stone$1,205,803$631,807$290,583
Granite, porphyry, basalt, sandstone and other stone$371,989$573,175$399,611
Pebbles, gravel, broken or crushed stone$69,497,324$393,612,207$545,644,657
Dolomite, whether or not calcined or sintered$10,100$17,290$2,279
Natural magnesium carbonate (magnesite)$21,318$37,105$185,493
Gypsum; anhydrite; plasters$294,231$848,578$1,576,566
Limestone flux; limestone$2,208,439$22,427,292$30,095,798
Quicklime, slaked lime and hydraulic lime$9,807,051$8,508,026$9,966,016
Portland cement, aluminous cement, slag cement$62,578,919$235,149,464$51,611,520
Asbestos.$140,603$31,851$38,005
Mica, including splitings; mica waste.$36,480$214,000$137,302
Natural steatite, whether or not roughly trimmed$26,191$92,477$106,484
Natural borates and concentrates thereof $181$2,786
Felspar; leucite and nepheline syenite$397,967$28$4,509
Mineral substances$319,658$1,624,405$349,842
Total$152,766,238$669,864,942$647,038,026