Stones/Gems with O

  • Real volcanic glass; common semiprecious gem.

  • Well-known banded chalcedony gemstone.

  • Famous precious gemstone with play-of-color.

  • Orange Stone
  • Real mineral; gem variety known as peridot.

  • ornament
  • orange calcite
  • Old
  • octopus
  • Oynx
  • Oxford
  • One
  • Oval stone
  • Orchid
  • Opalo
  • One stone

The words in the list Stones/Gems with O come from players of the word game Categories game.