Bauxite is a sedimentary rock which is quite high in aluminium content, rendering it the world’s main source of aluminium. It takes its name from Les Baux, a village located in the French region of Provence, where it was first discovered in 1821.
Bauxite is mainly produced in Australia, China, Guinea, Brazil and India.
Mercury Commercial is able to supply bauxite from Guinea with the following typical specifications:
| Al2O3 (total) | Target 44% |
| SiO2 (total) | 3% maximum |
| Fe2O3 | 25% maximum |
| TiO2 | 4% maximum |
| Moisture | 10% maximum |
| Size 0 – 175 mm | 99.5% minimum |