|
| TABLE 3 | ||||||||||
| KYANITE AND RELATED MINERALS: ESTIMATED WORLD PRODUCTION, BY COUNTRY1, 2 | ||||||||||
| (Metric tons) | ||||||||||
| Country and commodity3 | 2003 | 2004 | 2005 | 2006 | 2007 | |||||
| Australia: | ||||||||||
| Kyanite | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | |||||
| Sillimanite4 | 300 | 300 | 300 | 300 | 300 | |||||
| Brazil, kyanite, marketable | 600 | 600 | 600 | 600 | 600 | |||||
| China, unspecified | 3,200 | 3,300 | 3,400 | 3,400 | 3,500 | |||||
| France, andalusite | 65,000 | 65,000 | 65,000 | 65,000 | 65,000 | |||||
| India: | ||||||||||
| Kyanite | 6,000 | 6,200 | 6,800 | 7,000 | 7,300 | |||||
| Sillimanite | 14,000 | 14,500 | 15,000 | 15,000 | 15,000 | |||||
| South Africa, andalusite | 164,921 | 5 | 234,625 | 5 | 228,265 | r, 5 | 221,209 | r, 5 | 220,000 | |
| United States: | ||||||||||
| Kyanite | 90,000 | 90,000 | 90,000 | 90,000 | 90,000 | |||||
| Mullite, synthetic | 40,000 | 40,000 | 6 | 40,000 | 40,000 | 40,000 | ||||
| Zimbabwe, kyanite | 745 | 5 | 210 | 5 | -- | -- | -- | |||
| rRevised. -- Zero. | ||||||||||
| 1U.S. and estimated data are rounded to no more than three significant digits. | ||||||||||
| 2Owing to incomplete reporting, this table has not been totaled. Table includes data available through April 13, 2008. | ||||||||||
| 3In addition to the countries listed, a number of other nations produce kyanite and related materials, but output is not� | ||||||||||
| reported quantitatively, and no reliable basis is available for estimation of output levels. | ||||||||||
| 4In addition, about 7,000 metric tons of sillimanite clay (also called kaolinized sillimanite) that contains 40% to 48%� | ||||||||||
| Al2O3 is produced. | ||||||||||
| 5Reported figure. | ||||||||||
| 6Source:� Dickson, Ted, 2006, Sillimanite minerals, in Countries and commodities reports: Mining Journal. (Accessed� | ||||||||||
| March 17, 2006, via http://www.mining-journal.com.) | ||||||||||
Source: United States Geological Survey Mineral Resources Program