Australian Rare Earths (ASX:AR3) said metallurgical testwork for its Koppamurra rare earths project in South Australia is underway, according to a Tuesday filing with the Australian bourse.
Preparation for a 3-tonne bulk leach is in progress at Brisbane Met Labs, per the filing. The testwork aims to optimize rare earth recovery, water recycling, impurity removal and mixed rare earths carbonate precipitation processes, the filing stated.
Australian Rare Earths' shares were up 5% in recent trade.