Rio Tinto Tells Staff Zimbabwe Taxes May Force Gem Mine C
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Rio Tinto Group told staff in Zimbabwe that government taxes may force it to close its sole diamond mine in the country, a letter to staff shows.
The Murowa Diamond Mine, which is 78 percent held by London-based Rio, was valued at $279 million by Deutsche Bank in 2013. It produced 101,000 carats of gems in the fourth quarter of last year.