Defining a natural gemstone can be a mysterious task. Some marine fossils and rocks containing copper and iron with pleasing colors are known as Gemstones. However, there has yet to be a universal consensus on what qualifies as a gemstone. The Larimar gemstone is named after its distinct sky-blue color, which resembles the clouds in the sky. Larimar looks very aesthetic and pretty after being worn as jewelry, such as Larimar rings.