Rare Earth Elements Used For. What properties do rare earth elements have? Large quantities of some rees are used in clean energy and defense technologies.
The chinese dominance may have peaked in 2010 when they controlled about 95% of the world's rare earth production, and prices for many rare earth oxides had risen over 500% in just a few years.
What are the three most valuable elements on earth? Mining companies see high prices as an opportunity and attempt to develop new sources of supply. In 2012 and 2013 they were supplying about 2% to 3% of world production. See full list on geology.com
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