tourmaline
/ˈtʊərməlaɪn/Definitions
1. noun
a complex silicate mineral that occurs in a wide range of colors, often used as a gemstone.
“The antique ring was a vibrant tourmaline, surrounded by intricate filigree.”
2. noun
a type of optical component that bends light, used in optics and spectroscopy.
“Tourmaline was used to create a highly accurate prism in the laboratory experiment.”
3. verb
to make something sparkle or shine, especially with a gemstone.
“The jeweler toured the gemstones to find the perfect tourmaline for the necklace.”