Geologists believe asteroids are packed with iron ore, nickel and precious metals at much higher concentrations than those found on Earth, making up a market valued in the trillions.
In 2019, Sherritt's Moa JV is expected to produce between 31,000 and 33,000 tonnes of finished nickel and between 3,300 and 3,600 tonnes of finished cobalt.
Zimbabwe's secretary in the ministry of foreign affairs was quoted as saying Botswana had offered to lend Zimbabwe $500 million to support its diamond industry.