Sub-Chapter200520062007200820092010
Salt (including table salt)$643$1,945$4,268$2,009$1,095,806$17,300
Unroasted iron pyrites.  $406   
Natural graphite.   $274 $822
Natural sands of all kinds$28,985$119,820$92,412$53,401$254,490$73,868
Quartz (other than natural sands); quartzite$1,970 $302   
Kaolin and other kaolinic clays, whether or not calcined.$9,132$9,934$23,071$13,539$10,864 
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$4,756$500$72,523$164,664$292,627$79,573
Chalk.$3,314  $13,835$11,066$15,465
Natural calcium phosphates   $732$7,575$178
Natural barium sulphate (barytes)$2,717$3,493$1,869$3,712$7,830$1,115
Siliceous fossil meals$45,345$29,554$24,721$8,923$32,735$99,626
Pumice stone; emery; other natural abrasives$1,924,677$2,643,227$1,802,391$1,215,557$249,375$419,384
Slate$4     
Marble, travertine, ecaussine and other stone$11,135$503,832$500,552$93,574$49,104 
Granite, porphyry, basalt, sandstone and other stone $18,785$23,885$362,360$10,459$3,728
Pebbles, gravel, broken or crushed stone$16,945$132,968$38,457$29,081$63,989$802,246
Natural magnesium carbonate (magnesite) $1,784$1,529 $498$150
Gypsum; anhydrite; plasters$968,341$1,168,713$2,950,938$2,190,145$2,234,396$3,968,649
Limestone flux; limestone$1,086$6,564$2,515$15,990$126,902$115,897
Quicklime, slaked lime and hydraulic lime$24,242$22,974$33,831$29,449$11,813$19,279
Portland cement, aluminous cement, slag cement$47,724,449$64,359,970$63,591,571$54,203,577$43,572,555$46,537,468
Mica, including splitings; mica waste.$18,680    $9,547
Natural steatite, whether or not roughly trimmed$12,439$11,507$18,630$16,768$13,544$8,474
Natural borates and concentrates thereof  $40,079  $1,897
Mineral substances  $832 $1,782 
Total$50,798,860$69,035,570$69,224,782$58,417,590$48,047,410$52,174,666