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