Because magnets are hard, they were heated to 800° C to demagnetize and soften them prior to grinding them to dust. The separated REE residue at the end of the process can be remagnetized by exposing them to a magnet.

Aclara Resources Inc. announced a $277 million investment to construct the first U.S. heavy rare earth separation facility at

Cyclic Materials raised $57 million in its Series B equity round last year, backed by global industry leaders including Microsoft, Amazon, Hitachi Ventures, BMW i Ventures, Jaguar Land Rover's lnMotion fund and specialized funds such as Energy Impact Partners, ArcTern Ventures and Fifth Wall.