Sub-Chapter200520062007200820092010
Salt (including table salt)$202,421,823$196,866,213$234,133,936$271,063,562$238,176,109$233,489,632
Unroasted iron pyrites.$21,142$195,989$13,728$10,519,887$4,117,479$3,504,122
Natural graphite.$1,716,261$1,628,219$3,051,790$1,147,918$2,431,977$1,897,956
Natural sands of all kinds$80,538,669$92,750,674$105,358,829$135,896,492$102,712,323$107,273,608
Quartz (other than natural sands); quartzite$3,678,768$2,698,622$2,199,266$3,882,884$2,060,833$1,661,872
Kaolin and other kaolinic clays, whether or not calcined.$76,811,397$77,964,789$76,016,068$13,536,306$7,032,224$8,183,358
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$54,082,130$49,973,498$54,037,139$69,591,288$70,062,714$80,098,758
Chalk.$5,942,244$5,196,229$5,356,763$8,412,668$5,920,183$5,871,592
Natural calcium phosphates$6,326,537$6,481,466$11,899,647$35,868,410$2,489,184$19,053,828
Natural barium sulphate (barytes)$11,270,116$10,771,872$18,125,409$27,505,844$22,521,254$25,014,283
Siliceous fossil meals$891,710$933,462$461,269$587,958$994,836$427,073
Pumice stone; emery; other natural abrasives$72,133$434,694$186,704$228,405$207,897$262,610
Slate$753,663$683,450$1,149,055$1,582,625$1,423,188$753,346
Marble, travertine, ecaussine and other stone$1,675,220$5,220,100$10,342,863$8,265,310$7,634,986$4,802,583
Granite, porphyry, basalt, sandstone and other stone$12,740,130$14,473,055$12,945,740$20,867,366$10,390,668$11,410,280
Pebbles, gravel, broken or crushed stone$27,431,576$24,773,800$22,987,955$25,741,968$42,455,654$43,168,870
Dolomite, whether or not calcined or sintered$5,091,575$6,870,932$4,927,069$9,643,108$8,490,294$9,056,072
Natural magnesium carbonate (magnesite)$97,550,798$105,934,722$58,222,882$180,958,567$73,485,341$92,958,700
Gypsum; anhydrite; plasters$3,823,034$3,588,111$5,507,774$6,063,781$5,903,440$2,876,775
Limestone flux; limestone$657,900$145,736$617,771$324,188$192,549$242,715
Quicklime, slaked lime and hydraulic lime$2,093,093$2,934,814$7,447,575$2,024,698$2,398,490$1,075,641
Portland cement, aluminous cement, slag cement$32,096,573$41,184,133$35,873,290$45,651,509$30,881,787$39,155,443
Asbestos.  $10,983   
Mica, including splitings; mica waste.$2,129,159$2,741,337$3,153,379$1,419,058$2,444,535$2,106,187
Natural steatite, whether or not roughly trimmed$53,978,904$57,465,063$72,314,931$77,299,584$65,509,907$68,090,311
Natural borates and concentrates thereof$2,488$18,845$9,610$61,891$436,723$611,431
Felspar; leucite and nepheline syenite$11,319,862$1,289,007$7,212,822$6,585,429$5,796,003$5,632,855
Mineral substances$29,074,460$30,370,802$39,217,494$49,108,527$40,093,441$47,432,969
Total$724,191,365$743,589,634$792,781,741$1,013,839,231$756,264,019$816,112,870