Stones/Gems with O

• Obsidian

  Real volcanic glass; common semiprecious gem.

• Onyx

  Well-known banded chalcedony gemstone.

• Opalite

  Man‑made opalescent glass, sold as a gemstone

• OPAL

  Famous precious gemstone with play-of-color.

• Opaque
• opals

  Precious silica gemstone with play of color

• Olivine

  Real mineral; gem variety known as peridot.

• orange calcite

  Orange variety of calcite, used as a semi‑precious stone

• Oynx
• Oxford
• oval diamond
• One
• Oval stone
• Orchid
• Opalo
• Oglas
• One stone

Besede na seznamu Stones/Gems with O izvirajo od igralcev besedne igre Država, Mesto, Vas.