Listen "What makes a mineral 'critical'? "
Episode Synopsis
Rare earth minerals have been at the centre of politics this week, with the US and Australia signing a critical minerals framework accounting for billions of dollars worth of investment.And a key part of that agreement is the development of a gallium refinery in Western Australia.But what are gallium and antimony? And why are they in demand?Guest: Dr Chris Vernon, Critical Minerals Lead at CSIROProducer: Rob Kelly