Stones/Gems with O
- Obsidian
- Ore
- Oro
- Ores
- Olive
- Olivine
- orange calcite
- Opaque
- Opale
- Oracle
- ONYX
- Old
- Opalo
- Oxford
- octopus
- Advertisement
- Osmium
- One
- Oynx
- Orange Stone
- Oval stone
- ornament
- Obsidion
- Orange sapphire
- One stone
- oak
- obsidiana
- Obsedian
- oval diamond
- obisdian
- Orchid
- Olivia
- Ople
The words in the list Stones/Gems with O come from players of the word game Categories game.