Materials, Size Power Stone: Green Cat's Eye 8mm beads Wrist size: Approximately 15.5cm This is a women's size. Green Cat's Eye Green cat's eye (such as green tourmaline cat's eye) is said to have the following effects: Enhances discernment, allowing one to see the essence of things and expose lies and falsehoods. Bestows a generous heart and cultivates the ability to foresee the future and not miss opportunities. Aids in mental and physical growth, guiding one to become a presence that brings harmony to those around them while remaining natural. Protects from danger and evil thoughts (amulet). Attracts good luck. The cat's eye effect is a special effect in which light reflected within the gemstone concentrates on the outside of the stone, appearing as a band of light, resembling a cat's eye in the center.