Sub-Chapter | 2005 | 2006 | 2010 |
Salt (including table salt) | $34,956 | $7,362 | $708,760 |
Unroasted iron pyrites. | $23,395 | | $743 |
Natural graphite. | $3,847,882 | $1,733,360 | $2,072,392 |
Natural sands of all kinds | $382,341 | $255,793 | $1,261,422 |
Quartz (other than natural sands); quartzite | $116,075 | $919 | $1,473,448 |
Kaolin and other kaolinic clays, whether or not calcined. | $6,714,889 | $913,939 | $12,090,181 |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $1,297,921 | $654,281 | $2,601,374 |
Chalk. | $19,303 | | $14,409 |
Natural calcium phosphates | $19,845,615 | $11,804,449 | $8,549,183 |
Natural barium sulphate (barytes) | $189,902 | $125,148 | $392,970 |
Siliceous fossil meals | $832,706 | $180,899 | $669,220 |
Pumice stone; emery; other natural abrasives | $97,391 | $47 | $23,535 |
Slate | $27,886 | $30,132 | |
Marble, travertine, ecaussine and other stone | $263,748 | $248,707 | $363,536 |
Granite, porphyry, basalt, sandstone and other stone | $616,554 | $434,659 | $640,528 |
Pebbles, gravel, broken or crushed stone | $496,928 | $393,953 | $648,742 |
Natural magnesium carbonate (magnesite) | $18,479,911 | $5,981,664 | $20,914,015 |
Gypsum; anhydrite; plasters | $262,401 | $61,767 | $270,799 |
Limestone flux; limestone | | | $103,853 |
Quicklime, slaked lime and hydraulic lime | $2,931 | | $23,427 |
Portland cement, aluminous cement, slag cement | $30,168,223 | $25,873,134 | $8,817,881 |
Asbestos. | $16,509,276 | $1,727,447 | $19,470,720 |
Mica, including splitings; mica waste. | $301,260 | $182,628 | $2,647,232 |
Natural steatite, whether or not roughly trimmed | $384,199 | $139,000 | $657,345 |
Natural borates and concentrates thereof | | | $422,908 |
Felspar; leucite and nepheline syenite | $531,595 | $368,603 | $3,724,852 |
Mineral substances | $17,110,058 | $149,293 | $24,758,997 |
Total | $118,557,346 | $51,267,184 | $113,322,472 |
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