Companies including Glencore, China Moly and Randgold Resources Ltd. have criticized the new laws as violating their rights, as well as being a deterrent to future investment, and are continuing to lobby for it to be significantly modified.
Eskom said on Monday that it had fewer than 20 days of coal supplies at 10 of its 15 coal-fired power stations, posing a threat to national power supplies.
According to Lucapa, policy shifts in the southern African country allow management to plan for the sale of such high-value stones, something the company was not able to do before.