Top 10 Sunstone Jewelry Facts You Need to Know Sunstone is said to be a stone of joy and leadership which encourages the wearer to enjoy life. Sunstone is used for navigation and inspires good nature. Sunstones have hardness (6.5-7.2) and can be worn in any type of jewelry setting, including Sunstone Pendants, Sunstone Rings, Sunstone Bracelets, Sunstone Earrings, and Sunstone Necklaces. It contains strong wearability properties to fit on varieties of jewelry. Gem cutters can facet Sunstone with almost any design suitable to their color and size. The process of pairing and styling Sunstone with 925-Sterling Silver creates Sterling Silver jewelry.