Aquamarine Aquamarine is often used as a power stone, and it is a gemstone that can be expected to have a healing effect when worn. It is said to have the power to relieve the wearer's tension and restore calmness. The clear, beautiful blue color is also said to be effective for eye problems. It is the birthstone for March. Materials, Size Power stone aquamarine 10mm beads Cut glass rondelle Wrist size approximately 16cm It sparkles. Subtle attention-grabbing Material...Natural stone Color...Blue Bracelet/Bangle...Bracelet Stone Material...Aquamarine