1. a yellowish-green gemstone that is a variety of the mineral olivine

Examples

• The ring featured a beautiful peridot surrounded by small diamonds.
• Peridot is the birthstone for August.
• The ancient Egyptians called peridot the gem of the sun.
• She preferred the bright green color of peridot over emerald.
• The jeweler explained that peridot is formed deep in the earth’s mantle.
• Hawaii’s beaches contain small pieces of peridot from volcanic activity.