Rare-earth Elements are nearly-indistinguishable lustrous silvery-white soft heavy metals Commercially crucial elements and REEs are found in these rocks, so if you find one that looks like these – open a mine! Solve the world’s problems! (while getting really rich)
…And according to the ACS Green Chemistry Institute, the following elements are commercially crucial and endangered.
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From Wikipedia:
According to wikipedia, “Compounds containing rare earths have diverse applications in electrical and electronic components, lasers, glass, magnetic materials, and industrial processes.”
Commercially Crucial elements are named to be crucial because they’re used in so many various aspects to today’s life