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tourmaline

tourmaline

2 9.4
A hard stone usually black or many colors that people use as a gem
  • noun
  • /ˈtʊr.məˌliːn/
  • Specialized
: turmalina
  • It is a good weight with large smoky quartz beads, faceted lemon quartz, and tourmaline stones.
  • tourmaline crystal

Examples

  • I drove to this little enclave yesterday in search of a grotto that is supposed to be full of tourmaline.

    Fiction book (2002)
  • Those attractions were no doubt the effects of electrostatic charges produced by temperature changes, most probably in the mineral tourmaline.

    Academic text (2005)
  • So the reason people wouldn't have tourmaline lamps is because tourmaline is just really expensive.

  • He described the experiences of Dutch gem cutters when they tested the durability of tourmaline in a fire.

    Academic text (2005)
  • The colors ranged from the liquid red of garnet through a fiery gold to azure, tourmaline, and indigo.

    Fiction book (1999)
  • Ta, a chemist at the Sorbonne in Paris, proposed that tourmaline crystals could be used as IR sensors in spectroscopy.

    Academic text (2005)
  • The jeweler showcased a stunning necklace featuring a large piece of tourmaline surrounded by diamonds.

  • She chose a pair of earrings made from beautiful pink tourmaline to wear at the wedding.

  • Many people believe that tourmaline has healing properties and often wear it as a gemstone.

Surface Forms

tourmaline singular
tourmalines plural

Etymology

Tourmaline comes from a Sri Lankan word toramali that meant 'mixed gems' and came into Dutch and then English. That's why tourmaline is known for its many colors and is used as a colorful gemstone.