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| TABLE 4 | |||||||||||||
| U.S. IMPORTS FOR CONSUMPTION OF COBALT, BY FORM 1 | |||||||||||||
| 2009 | 2010 | ||||||||||||
| Gross weight | Cobalt content2 | Value | Gross weight | Cobalt content2 | Value | ||||||||
| (metric tons) | (metric tons) | (thousands) | (metric tons) | (metric tons) | (thousands) | ||||||||
| Metal3 | 5,870 | 5,870 | $198,000 | 8,750 | 8,750 | $350,000 | |||||||
| Oxides and hydroxides | 1,460 | 1,050 | 37,500 | 2,010 | 1,450 | 60,700 | |||||||
| Other forms: | |||||||||||||
| Acetates | 168 | 40 | 1,220 | 301 | 72 | 2,720 | |||||||
| Carbonates | 972 | 447 | 18,000 | 686 | 315 | 14,400 | |||||||
| Chlorides | 231 | 58 | 2,220 | 311 | 78 | 2,580 | |||||||
| Sulfates | 760 | 205 | 5,900 | 1,440 | 388 | 9,200 | |||||||
| Total | 9,470 | 7,680 | 262,000 | 13,500 | 11,100 | 439,000 | |||||||
| 1Data are rounded to no more than three significant digits; may not add to totals shown. | |||||||||||||
| 2Estimated from gross weights. | |||||||||||||
| 3Unwrought cobalt, excluding alloys and waste and scrap. | |||||||||||||
| Source: U.S. Census Bureau. | |||||||||||||
Source: United States Geological Survey Mineral Resources Program
See also: Mineral commodity prices