Murowa diamond mine Murowa's production will fetch an average price of $65 USD per carat (325 $/g). 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
Williamson diamond mine about 1,100 staff, mostly Tanzanians. The mine is located about south of the town of Mwanza in Kishapu District of Shinyanga Region. Dr. Williamson, the discoverer of the site, first owner and namesake of the mine, named the site "Mwadui" after a local chief; "Williamson" and "Mwadui" are now virtually synonymous in the diamond mining world. The most important geological feature of the Williamson diamond mine is the kimberlite pipe on which it is located. At 146 square kilometers in area at surface level, it ranks as the largest economically exploitable diamond-bearing volcanic pipe in the world. Recent exploratory drill