Celestite (SrSO4) is named for it's usual sky-blue color, but can appear in many other colors including clear, yellow, green, red, or brown. Crystals can be very large, sometimes weighing many pounds. It is too soft to be used as a gemstone, but is an important source of strontium compounds.
Blue banded Agate- This stone represents the spiritual aspects of our life. The sky and the ocean give us the feeling that life is an endless process. Blue is the greatest healing power in the world. Blue is the color of purity and those who carry this stone with them can obtain a sense of calmness, peace, serenity, and beauty. The Throat Chakra is energized by blue. Through the throat, we express ourselves, connecting with sound and voice, carrying power with our words.