Seems they spent a lot of time to process a puny sample of 5 kg in a overly complicated 'alchemy' process, in the real world what would their secret extraction process cost per ounce?
Week 46 Wrap: Copper hits 2mth low as Trump threatens net zero pace; US rally fades; HotCopper’s picks
AN1 CuFe sells its Crossroads gold royalty to Northern Star for $4M cash; says better than waiting for mine launch