South Africa’s mining output up 21.9% y/y in May

The increase should help bolster support from Lonmin investors, who still need to vote on the takeover.

Production dropped 6% in the quarter.

Power cuts implemented by Eskom, which supplies more than 90 percent of electricity in Africa's most advanced economy, pose a threat to miners.

The 1,758-carat diamond is larger than a tennis ball and weighs close to 352 grams (12.42 ounces).

Sibanye-Stillwater has revised its offer for Lonmin, with new terms that gave a valuation for the struggling platinum miner that was about $77m less than originally proposed.

Acacia, majority-owned by Barrick Gold, is embroiled in a long-running tax dispute with Tanzania.

This second major cash injection brings the Chinese miner's total investment in Ivanhoe to $1 billion, which gives the Canadian company the equity cushion required to build its massive Kamoa-Kakula copper mine.

AMCU, one of the largest trade unions in South Africa's mining sector, has thousands of members at gold and platinum mines.

After almost three years of rating the mining giant’s stock as overweight, JPMorgan downgraded it to neutral on Wednesday.