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.