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What are rare earths and what are they?
Rare earth is the general name of 17 metal elements in the periodic table, including lanthanides, scandium and yttrium. There are 250 kinds of rare earth minerals in nature.

Light rare earth elements include lanthanum, cerium, praseodymium, neodymium, promethium, samarium and europium.

Heavy rare earths include gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium and yttrium.

Tips: The above information is for reference only.

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