Chalcedony Clarity: Understanding the Meaning and Symbolism of Blue Chalcedony Blue Chalcedony is a fascinating gemstone known for its mesmerizing blue color and supernatural properties of the gemstone. As its name implies, it is a unique form of chalcedony mineral and a variety of cryptocrystalline quartz. Blue Chalcedony is an exquisite stone that is believed to have therapeutic properties, making it an excellent choice for jewelry. The color of its stone symbolizes inner peace and soothing and cooling powers.