The meaning of Blue Agate is calmness. Blue agate stone is known as a talisman with great healing energies. It has been believed that the gemstone lessens negative energies or various stresses. It is said to release tension and to relax. Blue Agate stone harmonizes your energies. And A powerful protection stone, Black Onyx absorbs and transforms negative energy, and helps to prevent the drain of personal energy. … Black Onyx aids the development of emotional and physical strength and stamina, especially when support is needed during times of stress, confusion, or grief. Made in rope size, this elegant piece of Jewellery is a perfect gift for one’s loved one.