tourmaline

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English[edit]

Etymology[edit]

Either directly from Sinhalese tóramalli 'carnelian', or via a cognate: German Turmalin, Portuguese tormalina, or French tourmaline

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Noun[edit]

tourmaline (plural tourmalines)

  1. A complex black or dark coloured borosilicate mineral.
    • 2012 March 1, Lee A. Groat, “Gemstones”, American Scientist, volume 100, number 2, page 128: 
      Although there are dozens of different types of gems, among the best known and most important are […] . (Common gem materials not addressed in this article include amber, amethyst, chalcedony, garnet, lazurite, malachite, opals, peridot, rhodonite, spinel, tourmaline, turquoise and zircon.)
  2. A transparent gemstone cut from it.

Derived terms[edit]

Related terms[edit]

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French[edit]

Noun[edit]

tourmaline f (plural tourmalines)

  1. tourmaline

External links[edit]