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tourmaline

/ˈtʊə.mə.liːn/

1 entry

noun

/ˈtʊə.mə.liːn/C1formal
  • ruМинерал, представляющий собой сложный боросиликат и гидроксид алюминия, содержащий различные элементы, такие как железо, магний, кальций, литий и натрий; обычно чёрный, но встречается в прозрачных цветных формах, используемых в качестве драгоценных камней.

A mineral that is a complex borosilicate and hydroxide of aluminum containing various elements such as iron, magnesium, calcium, lithium, and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones.

  1. Mineral and gemstoneC1formal

    A crystalline mineral composed of complex borosilicates and hydroxides of aluminum, often containing iron, magnesium, calcium, lithium, or sodium. It is typically black but can be found in transparent, colored varieties used as gemstones.

    ruМинерал и драгоценный камень

    • The jeweler displayed a necklace with a rare pink tourmaline.
    • Tourmaline is valued for its wide range of colors, from green to blue to red.
    • Geologists discovered a large deposit of black tourmaline in the mine.
Forms
  • tourmalines plural form
  • tourmalines' possessive plural form
  • tourmaline's possessive singular form