tourmaline

/ˈtʊrməlin/
noun
  1. A hard mineral that occurs in many different colors, often used as a gemstone in jewelry.
    • She wore a necklace with a beautiful green tourmaline pendant.
    • Tourmaline can be pink, blue, green, or even black.
    • The jeweler explained that tourmaline is popular for its wide range of colors.
Synonyms
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