Sub-Chapter200620072008200920102011
Salt (including table salt)$727,882$828,523$822,359$1,019,076$875,858$1,251,566
Natural graphite. $678$105 $153$1,235
Natural sands of all kinds$551,050$425,213$1,175,285$333,473$275,386$374,447
Quartz (other than natural sands); quartzite$5,917$2,490$56,047$109$5$194
Kaolin and other kaolinic clays, whether or not calcined.$7,711$14,063$4,686$11,340$3,560$6,479
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$44,659$45,556$45,250$19,174$41,075$48,304
Chalk.$2,553$8,805$7,109$5,644$4,242$17
Natural calcium phosphates$9,452  $9,138 $2,041
Natural barium sulphate (barytes)  $264   
Siliceous fossil meals$29,133$44,961$36,742$22,348$32,087$15,396
Pumice stone; emery; other natural abrasives    $125 
Slate$6,195 $5,074 $4,187 
Marble, travertine, ecaussine and other stone$267,338$450,112$1,096,679$407,961$218,474$406,626
Granite, porphyry, basalt, sandstone and other stone$490,703$539,375$899,179$817,831$481,221$480,320
Pebbles, gravel, broken or crushed stone$504,739$724,565$1,145,392$477,184$500,289$347,937
Dolomite, whether or not calcined or sintered $1,292$191$3,609$24,641$145,355
Natural magnesium carbonate (magnesite)$333$7,387  $354$562
Gypsum; anhydrite; plasters$468,481$301,459$256,916$418,515$117,097$185,102
Limestone flux; limestone$13,547$6,846 $64 $605
Quicklime, slaked lime and hydraulic lime$1,404,416$3,710,786$3,795,181$2,063,874$1,357,671$1,145,254
Portland cement, aluminous cement, slag cement$25,476,163$48,159,873$75,770,833$44,418,949$32,555,472$29,597,272
Asbestos.  $17,567$4,200$6,507 
Mica, including splitings; mica waste.  $368 $7,264 
Natural steatite, whether or not roughly trimmed$4,288$9,340$6,561$1,572$1,651$5,970
Natural borates and concentrates thereof $277 $43$570$279
Felspar; leucite and nepheline syenite$117,407$122,311$141,719$22,367$30,533$23,678
Mineral substances$88,119$74,665$61,060$81,787$53,690$50,222
Total$30,220,086$55,478,577$85,344,567$50,138,258$36,592,112$34,088,861