|
| Sub-Chapter | 2005 | 2006 |
| Salt (including table salt) | $533,208 | $361,449 |
| Natural graphite. | $170 | |
| Natural sands of all kinds | $342,094 | $273,502 |
| Quartz (other than natural sands); quartzite | $179,400 | $81,560 |
| Kaolin and other kaolinic clays, whether or not calcined. | $31,231 | $8,173 |
| Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $219,057 | $198,784 |
| Natural calcium phosphates | $72 | |
| Natural barium sulphate (barytes) | $2,373,975 | $4,292,832 |
| Siliceous fossil meals | $214,421 | $181,393 |
| Pumice stone; emery; other natural abrasives | $8,126 | $4,064 |
| Slate | $9,678 | |
| Marble, travertine, ecaussine and other stone | $1,119,318 | $41,461 |
| Granite, porphyry, basalt, sandstone and other stone | $920 | $166 |
| Pebbles, gravel, broken or crushed stone | $104,957 | $444,816 |
| Natural magnesium carbonate (magnesite) | $274,417 | $363,721 |
| Gypsum; anhydrite; plasters | $432,656 | $608,436 |
| Limestone flux; limestone | $10,850 | |
| Quicklime, slaked lime and hydraulic lime | $177,241 | $247,885 |
| Portland cement, aluminous cement, slag cement | $1,345,562 | $915,999 |
| Asbestos. | $2,831,422 | $4,266,964 |
| Mica, including splitings; mica waste. | $36,530 | $35,193 |
| Natural steatite, whether or not roughly trimmed | $408,268 | $69,820 |
| Natural borates and concentrates thereof | $863 | $513 |
| Felspar; leucite and nepheline syenite | $58,213 | $24,037 |
| Mineral substances | $2,956 | $13,889 |
| Total | $10,715,605 | $12,434,657 |
|
|
