(redirected from Boulder opal)
Also found in: Dictionary, Encyclopedia.
Graphic Thesaurus  🔍
Display ON
Animation ON
  • noun

Words related to opal

a translucent mineral consisting of hydrated silica of variable color

References in periodicals archive ?
Its range of gemstones are selected from all over the world, featuring natural coloured diamonds and sapphires, tourmaline, tanzanite, blue-moonstone, boulder opal, deep blue aquamarine, and exceptional Japanese and South Sea cultured pearls.
The site features Ceylon Sapphires, Tanzanite, Burma Rubies, Boulder Opal, Colombian Emeralds and other fine colored gems.
This strikingly fiery stone is especially stunning with an all-black ensemble, whether in the form of stackable bracelets streaked with aurora borealis hues or going for powerful electric blue boulder opal earrings.
McOpal has been mining, cutting and delivering opals to North America for many years, specializing in Black Opals from Lightning Ridge, Yowah, and Boulder Opals from Queensland.
Full browser ?