Blue Agate - A Stone of Calmness Blue Agate, a stunning variety of agate family is filled with marvelous properties and unique characteristics. The blue color in your agate represents a sense of calmness and coolness and has similar effects on a person’s life. It is believed to lower down the heart rate, relax breathing, maintain blood pressure, and lower down the body temperature. It generally has layers of dark blue, white, and even brown color in it. It has been used to make a variety of astonishing jewelry pieces for a long time and holds various beliefs with it for a long time. People at earlier times used to wear Blue Agate Ring to protect themselves from the evil eye and their enemies. Blue Agate meaning was associated with its use as an amulet for protection from any threat and is still famed for its unique characteristics till now.