Gold edged lower on Wednesday as the dollar pared earlier losses versus the euro, while traders took to the sidelines to await news on Greece's negotiations with its international lenders to avoid default.

The world's largest producer of iron ore could raise about $1.5 billion through the sale of a stake in one of its Brazil-based assets.

Coal prices in Asia are already at levels that have forced some producers to curb supply and are unlikely to fall more than another $10, industry officials said.

Decision said to reflect trend among central banks.

Mali's earnings from its gold-dominated mining sector slipped by around six percent to just under 206 billion CFA francs ($350.60 million) last year due to a drop in output and lower prices for the precious metal.

Barrick Gold Corp. has backtracked on its decision to suspend operations at its Lumwana open pit copper mine in Zambia after the cabinet reduced mining royalties.

Rio Tinto and Mongolia have made a breakthrough in a tax dispute that has been among issues stalling development of the $6.5 billion Oyu Tolgoi copper mine, according to an official familiar with the government's position.

European shares rose on Thursday as a rally in metals prices pushed basic resources stocks higher.

Newcrest Mining, one of the world's biggest gold producers, said on Friday it was open to selling its Telfer gold and copper mine in Australia, once the company's flagship operation.

The world's largest futures market operator will shutter almost all of its open-outcry futures pits by July 2, ringing the closing bell on a once-raucous tradition that has been in decline since the rise of computerized trading.

Anglo American Platinum's production fell by 17% in the fourth quarter compared with a year ago due to a strike at its South African operation.

Chilean mining firm Antofagasta expects a smaller-than-expected increase in production this year after posting annual output for 2014 in line with its guidance.