— Haematite mining in Swaziland can be traced back more than 40,000 years, iron smelting dates from 400 AD or earlier, and copper from 900 AD. ... It is the world's largest producer by volume of platinum, rhodium, manganese, titanium, chrome, aluminosilicates and vermiculite. ... vanadium, rutile, ilmenite and zirconium. South …