Celebrate elegance with our 7.8x3.3mm Bat-shaped Natural Smoky Quartz Stackable Ring, exquisitely bezel set in sterling silver. Known as Novembers birthstone, Smoky Quartz is a powerful protector, making this piece perfect for Scorpio, Sagittarius, Capricorn, Gemini and Taurus. Available in sizes US 4-10, its an ideal gift for birthdays, ...