Sub-Chapter | 2006 | 2007 | 2008 |
Salt (including table salt) | $3,037,652 | $3,993,902 | $4,747,832 |
Unroasted iron pyrites. | $596,858 | $6,799,546 | $44,248 |
Natural graphite. | $233,795 | $143,962 | $90,534 |
Natural sands of all kinds | $2,947,616 | $2,686,746 | $10,298,858 |
Quartz (other than natural sands); quartzite | $110,274 | $233,149 | $338,712 |
Kaolin and other kaolinic clays, whether or not calcined. | $614,783 | $676,056 | $1,798,186 |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $1,779,236 | $2,616,469 | $3,485,881 |
Chalk. | $654,873 | $212,179 | |
Natural calcium phosphates | $89,196 | $163,054 | $65,284 |
Natural barium sulphate (barytes) | $4,565,402 | $160,069 | $4,656,108 |
Siliceous fossil meals | $127,834 | $185,754 | $1,162,168 |
Pumice stone; emery; other natural abrasives | $67,020 | $547,629 | |
Slate | $41,883 | $8,547 | $144,340 |
Marble, travertine, ecaussine and other stone | $3,051,842 | $2,856,162 | $427,915 |
Granite, porphyry, basalt, sandstone and other stone | $15,899,602 | $2,287,319 | $200,617 |
Pebbles, gravel, broken or crushed stone | $125,537,501 | $97,488,763 | $99,886,255 |
Dolomite, whether or not calcined or sintered | $588,087 | $308,898 | $533,589 |
Natural magnesium carbonate (magnesite) | $354,596 | $89,088 | $14,044 |
Gypsum; anhydrite; plasters | $11,740,214 | $11,862,467 | $13,370,519 |
Limestone flux; limestone | $455,965 | $20,460,485 | $25,560,421 |
Quicklime, slaked lime and hydraulic lime | $267,552 | $322,117 | $661,174 |
Portland cement, aluminous cement, slag cement | $161,354,902 | $363,523,864 | $228,019,829 |
Asbestos. | $20,559 | $7,253 | |
Mica, including splitings; mica waste. | $142,652 | $339,553 | $176,549 |
Natural steatite, whether or not roughly trimmed | $845,086 | $1,381,026 | $324,702 |
Natural borates and concentrates thereof | $576,534 | $245,523 | $169,323 |
Felspar; leucite and nepheline syenite | $593,483 | $597,903 | $3,939,026 |
Mineral substances | $633,252 | $764,816 | $403,040 |
Total | $336,928,249 | $520,962,299 | $400,519,154 |
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