Rare earths are a group of 17 elements including 15 silvery-white metals called lanthanides, or lanthanoids, plus scandium and yttrium. WHAT ARE THEY USED FOR?They are used in a wide range of ...
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Factbox-What are rare earth metals and why are they in demand?Rare earths are a group of 17 elements including 15 silvery-white metals called lanthanides, or lanthanoids, plus scandium and yttrium. WHAT ARE THEY USED FOR?They are used in a wide range of ...
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