Sunstone is a plagioclase feldspar, which exhibits a spangled appearance when viewed from certain directions. It has been found in Southern Norway, Sweden, and in various United States locations. The optical effect is due to reflections from the inclusions of red copper. Sunstone is said to bring good luck and bring out leadership qualities in those who wear it. Increases personal will power and vitality, making it beneficial for starting or maintaining a workout regimen. Sunstone is also great for reducing stress.