PROCESSING

Rainbow Rare Earths: REE seperation needn't cost the Earth

London-listed Rainbow Rare Earths has stumbled on a source of rare earths which requires no mine extraction or complicated separations process.

 Rainbow Minerals’ Palaborwa mine seen from above

Rainbow Minerals’ Palaborwa mine seen from above

Rainbow now owns the Phalaborwa rare earths project in South Africa, and will extract the REEs from two gypsum stacks at the former hard rock gypsum mine. "It amounts to 38 million tonnes of gypsum...

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