Sub-Chapter20052006200720082009
Salt (including table salt)$2,225,649$2,542,185$3,297,069$3,449,248$2,501,976
Unroasted iron pyrites.  $1,573,480$354,000$304,847
Natural graphite.$229,431$176,780$135,093$125,902$440,780
Natural sands of all kinds$1,647,802$2,463,467$4,213,424$6,317,498$2,497,653
Quartz (other than natural sands); quartzite$94,270$272,424$946,879$275,328$296,012
Kaolin and other kaolinic clays, whether or not calcined.$154,607$118,551$74,996$54,718$66,774
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$5,319,011$2,915,316$3,121,723$4,213,595$3,868,969
Chalk.$371,518$376,438$638,339$738,989$610,541
Natural calcium phosphates$3,348$13,289$6,113$9,324$56,477
Natural barium sulphate (barytes)$1,177,570$391,564$47,093$17,503$212,500
Siliceous fossil meals$1,196,550$1,301,761$1,378,773$1,136,657$700,437
Pumice stone; emery; other natural abrasives$7,623$13,472$14,122$740$23,519
Slate$12,921$46,117$104,422$3,375$36,449
Marble, travertine, ecaussine and other stone$1,017,198$1,812,624$740,481$1,372,548$850,211
Granite, porphyry, basalt, sandstone and other stone$1,021,163$2,599,445$6,518,617$3,251,638$1,148,073
Pebbles, gravel, broken or crushed stone$2,434,139$3,367,622$7,815,116$3,491,221$6,746,021
Dolomite, whether or not calcined or sintered$111,230$92,485$92,931$239,147$197,535
Natural magnesium carbonate (magnesite)$4,403,699$6,868,075$6,654,789$6,233,240$6,731,923
Gypsum; anhydrite; plasters$9,883,778$10,524,311$15,309,741$9,898,361$4,648,228
Limestone flux; limestone$2,196,101$2,163,592$2,063,915$1,725,351$524,308
Quicklime, slaked lime and hydraulic lime$2,766,832$3,751,937$5,793,453$6,503,251$5,201,830
Portland cement, aluminous cement, slag cement$96,349,309$165,412,276$343,560,863$246,610,356$95,624,580
Asbestos.$706,111$1,674,861$1,785,366$84,005$13,278
Mica, including splitings; mica waste.$358,738$291,664$535,250$593,533$243,922
Natural steatite, whether or not roughly trimmed$67,119$121,553$143,015$108,923$144,727
Natural borates and concentrates thereof$40 $1,213$82,736$327,865
Felspar; leucite and nepheline syenite$311,175$1,716,192$1,258,448$1,498,971$904,202
Mineral substances$639,380$1,032,448$764,362$1,117,470$2,488,454
Total$134,706,312$212,060,449$408,589,086$299,507,628$137,412,091