Murowa diamond mine Murowa diamond mine The Murowa diamond mine is a diamond mine located in Mazvihwa, south central Zimbabwe, about 40 kilometres from the asbestos mining town of Zvishavane in the Midlands province. The mine is majority owned and operated by the Rio Tinto Group, which also owns the Argyle diamond mine in Australia and part of the Diavik Diamond Mine in Canada. The mine is a combination of open pit and underground construction; current estimates put construction costs at $61 million USD and mine reserves are 19 million tonnes of ore, with an ore grade of per tonne. Murowa consists of
Mining in Western Australia worlds supply, which is, however, only one percent of the mines overall production. Apart from Argyle, there is only one other operating diamond mine in the state, the Ellendale mine, located 100 km east of Derby, which opened in 2002. Ellendale produces the rare yellow diamonds. In 2009, sale volumes for diamonds fell by 44 percent while the value of the industry in the state decreased by 53 percent in comparison to 2008. Eighty percent of all salt produced in Australia comes from Western Australia. Of the state's production, 77 percent, in turn, originates from Dampier Salt Limited's operations at