Sub-Chapter2005200620072008200920102011
Salt (including table salt)$7,084$17,859$9,108$117,154$299,924$499,075$229,096
Unroasted iron pyrites.      $2,020
Natural graphite.   $13,277   
Natural sands of all kinds$133$46$15,651$56,400$88,876$61,160$731,297
Quartz (other than natural sands); quartzite    $2,000$1,913 
Kaolin and other kaolinic clays, whether or not calcined.$845$382$311$1,036$487  
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$217$128,957$28,214$6,289$1,015$15,398$10,802
Chalk. $350     
Natural calcium phosphates      $15,300
Natural barium sulphate (barytes)    $544$208,865$665,280
Siliceous fossil meals$90    $20$8
Pumice stone; emery; other natural abrasives$490,987$328,728$196,515$174,023$57,176$74,736$45,007
Slate    $26,114$14,549 
Marble, travertine, ecaussine and other stone$16,244$6,846$559$1,849,682$2,995,677$224,147$1,874
Granite, porphyry, basalt, sandstone and other stone$145$2,271$810$3,000$8$3,357 
Pebbles, gravel, broken or crushed stone$376$1,292$122$9,985$40,456$8,357$705,837
Natural magnesium carbonate (magnesite)    $1,148$6,362 
Gypsum; anhydrite; plasters  $149$50  $5
Limestone flux; limestone    $150  
Quicklime, slaked lime and hydraulic lime$388$923$1,603  $4,950$9
Portland cement, aluminous cement, slag cement$27$191$437,541$1,111,046$915,012$136,872$2,684,808
Asbestos.   $530   
Mica, including splitings; mica waste.      $51,537
Natural steatite, whether or not roughly trimmed$26 $1,073 $128$11,993$94
Felspar; leucite and nepheline syenite$16$65$52 $4 $7,416
Mineral substances$8,156$4,099$730$27,896$68,872$1,308,497$748,628
Total$524,734$492,009$692,438$3,370,368$4,497,591$2,580,251$5,899,018