Huayou temporarily suspends cobalt purchases from two Congo mines

Mounted in a diamond and emerald necklace, the white, matchbox-size rock was acquired by an unidentified buyer.

The pigments were likely obtained as a byproduct of sulfurous ore smelting.

It's the eighth diamond of over 100 carats recovered this year, and the seventh in just 2.5 years of commercial mining.

The mining veteran could face competition from internal candidates, including former head of UK gas company Centrica, Sam Laidlaw, who now sits on Rio’s board.

Starting on Friday, workers did not go work in protest for the firing of six leaders of the Association of Mineworkers and Construction Union.

Another huge diamond has been released from the Earth's clutches following an astounding discovery in the West African country earlier this year.

The planned strike in the coal sector could affect power supply in Africa's most industrialized economy, as about 85 percent of electricity is generated from the fossil fuel.

Globe CA have entered a strategic partnership agreement with OzMozis Lda in Mozambique.

The three-year wage agreement was signed by all three unions, the company said.