Related Clues:

• Setting sight
• All-natural sparkler
• Peach
• Emerald or pearl
• Great pitching effort, as it were
• Turquoise or topaz, e.g.
• What carats measure
• Topaz or turquoise
• Quartz source
• Onyx or opal
• A loupe might be used on it
• Rock-shop curiosity
• Perfect instance
• Prized stone
• A precious stone