rare metal
Uncommon metallic substance
Rare metal is a term for metallic elements that occur in low concentrations in the earth's crust or are difficult to extract economically.
The category includes rare earth elements, platinum group metals, and others like lithium, cobalt, and tantalum—many essential for electronics, batteries, and advanced manufacturing: The smartphone industry depends on several rare metals.
- osmiumDensest stable element
- lanthanumAtomic number fifty-seven
- rutheniumRare metallic element, number forty-four
- periodic tableSystematic display of elements
- technetiumFirst artificially produced element
indium · gallium · gold · strategic · niobium · lithium · electric vehicle · samarium · yttrium · scandium · tungsten · gadolinium · high melting point · europium · tantalum · iridium · refinery · ingot
rare, metal, rarity, metallic, rarest, rareness, rarified, metallurgy, metallurgist