| Oman |
|
|
 Calcium |
| Oman's production of gypsum (CaSO4.2H2O) in 2006 was approx. 60000 tonnes. World production of gypsum in 2006 was 142.5 millions tonnes. |
| Chromium |
| In 2006, Oman produced 70500 tonnes of chromium ores and concentrates. Total worldwide production in 2006 was 19.2 million tonnes. |
| Copper |
| In 2006, Oman produced 20700 tonnes of refined copper, total production of refined copper was 17.2 million tonnes. |