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Rare Earth Elements: A Watch or a Watch Out?

April Taylor
October 6, 2010

If you've heard about rare earth elements or rare earth oxides, there's a good chance you've learned about them recently, most likely in news reports about China reducing exports of the elements. Currently, China supplies 97% of the rare earth minerals used in applications as diverse as batteries for electric and hybrid cars to missiles and tanks, so a threat to supply gets noticed by government officials and by the share prices of the few Western companies supplying the magic ingredients.

Like the high ore co