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

Company tested common rare earth separation technologies, but these were found wanting

Jax Jacobsen
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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