Blue Agate,  a stone of calmness, is known as a talisman with great healing energies.  Some believe that this gemstone lessens negative energies or an array of day-to-day stresses, releasing tension and aiding in the relaxing process.  Blue agate will harmonize your energies.  Additionally, Blue Agate is said to have spiritual properties which facilitate growth and stability.  The powers of Blue Agate encourage quiet introspection and contemplation which provide a soothing, supportive energy for spiritual growth and confidence in one's spirituality.