This rock crystal pandant, or pendulum. Can be worn, as a necklace but also can be used for pendaling.
 
every necklace has it's own lucky charm 
 
You'll know you're working with one when you see a triangular-looking gemstone connected to a chain. "A pendulum is a tool that is used to connect to your higher self and 'source' by asking questions to help guide, clarify, and raise your awareness," says reiki healer Kelsey Patel. "The pendulum itself is simply a small object attached to the end of a string, and can be made out of wood, crystal, gemstone, glass, or metal."