Crystal Pendulum for Divination Assorted Gemstone Pendulums, Dowsing Tool Spiritual Healing Therapy Meditation. This listing is for one (1) crystal pendulum. The approximate size of the crystal pendulum is 2 inches, while the length of the chain is 7 inches. A pendulum is a tool that is used to communicate with the spirit via your higher self or your guides. An interesting use of your pendulum is to find lost objects, and it can also be used to help you decide if a crystal is the right one for you to use. Any questions you have may be answered in a simple yes or no response. Choose from the following: Amethyst: anxiety alleviator, calming, and relaxing. Tiger's eye: protection, balance, and good luck. Yellow Aventurine: prosperity and abundance. Tree agate: supports the immune system.