Which is a completely different thing than a rare earth metal. (Which incidentally are not rare or precious.)
To be fair, the group is badly named, but rare earth metals has a very precise meaning -- if something is not one of the lanthanides, Scandium, or Yttrium, it's not REE.
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Which is a completely different thing than a rare earth metal. (Which incidentally are not rare or precious.)
To be fair, the group is badly named, but rare earth metals has a very precise meaning -- if something is not one of the lanthanides, Scandium, or Yttrium, it's not REE.