Peridot Effects: Peridot, which shines even in the dark, removes negative energy such as anxiety and fear, and protects the wearer. It also brings bright hope and courage, and supports positive living. If you tend to fall into negative thoughts, wear peridot and receive the power of the bright, shining sun. Birthstone for August Material...Natural stone Color...Green Bracelet/Bangle...Bracelet Stone Material...Peridot (crack) 8mm beads Wrist size approx. 16cm