| Rank | Country | World Production, By Country (Metric tons) |
|---|
| 1 | China | 4,750,000 |  |
| 2 | Turkey | 3,200,000 | |
| 3 | Korea, Democratic People's Republic Of | 1,200,000 | |
| 4 | Russian Federation | 1,200,000 | |
| 5 | Austria | 700,000 | |
| 6 | Spain | 500,000 | |
| 7 | Greece | 500,000 | |
| 8 | Australia | 475,000 | |
| 9 | Slovakia | 400,000 | |
| 10 | Brazil | 386,800 | |
| 11 | India | 370,000 | |
| 12 | Canada | 180,000 | |
| 13 | Iran, Islamic Republic Of | 90,000 | |
| 14 | South Africa | 55,000 | |
| 15 | Serbia and Montenegro | 25,000 | |
| 16 | Poland | 20,000 | |
| 17 | Colombia | 10,500 | |
| 18 | Pakistan | 4,000 | |
| 19 | Zimbabwe | 900 | |
Year of Estimate: 2006
Source: United States Geological Survey (USGS) Minerals Resources Program
