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| TABLE 4 | |||||||||||||
| U.S. IMPORTS FOR CONSUMPTION OF COBALT, BY FORM1 | |||||||||||||
| 2004 | 2005 | ||||||||||||
| Gross weight | Cobalt content2 | Value | Gross weight | Cobalt content2 | Value | ||||||||
| (metric tons) | (metric tons) | (thousands) | (metric tons) | (metric tons) | (thousands) | ||||||||
| Metal3 | 7,250 | 7,250 | $311,000 | 9,350 | 9,350 | $312,000 | |||||||
| Oxides and hydroxides | 1,300 | 934 | 45,100 | 1,310 | 943 | 35,100 | |||||||
| Other forms: | |||||||||||||
| Acetates | 230 | 55 | 2,550 | 260 | 62 | 2,250 | |||||||
| Carbonates | 453 | 208 | 10,300 | 985 | 453 | 15,300 | |||||||
| Chlorides | 327 | 82 | 3,220 | 189 | 47 | 1,480 | |||||||
| Sulfates | 705 | 190 | 6,030 | 762 | 206 | 5,750 | |||||||
| Grand total | 10,300 | 8,720 | 378,000 | 12,900 | 11,100 | 372,000 | |||||||
| 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