Rare earth elements (rees), which comprise of only 17 elements from the entire periodic table, play a critical role to our national security, energy independence, environmental future, and … The rare-earth elements (ree), also called rare-earth metals, or rare earths, are a set of 17 nearly indistinguishable lustrous silvery-white soft heavy metals. The 15 lanthanides (or lanthanoids), … Ree-bearing mineral deposits are relatively rich in either light rare earth elements (lrees) or heavy rare earth elements (hrees), with lrees generally more abundant. Rare earth elements (ree) are becoming increasingly important in electronic devices used in the defense, alternative energy, and communications industries.
Minable deposits of rees are …
