The Special Science of Rare Earths

Theaureport.com reported on the Special Science of Rare Earths:

When companies promote their deposits, they tend to come up with something along the lines of, “We have a certain percentage of the heavies and a certain percentage of the lights.” The greater the percentage of the heavies they show, the more it is to their advantage, so they tend to start counting in areas that I would qualify as light rare earth elements.

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