This is a handmade pendulum made from Labradorite, Rainbow Moonstone and metal (as the pendant part), with a labradorite bead and a rainbow moonstone bead. The top where you hold the pendulum is made from rainbow moonstone. The chain is made from steel jewelry chain.

(US Imperial Ruler in pictures for scale) 

Pendulums are used for a variety of practices which include: attunement/energy alignment, finding energy sources like vortexes, answering simple yes/no questions and more.

Each stone and crystal has metaphysical properties that can help aid in specific situations, help boost certain body functions/body parts, and can even offer different insight into the seen and unseen world around us. 

Labradorite: Is a stone of magic, a crystal of shamans, diviners, healers, and all who travel and embrace the universe seeking knowledge and guidance. For self-discovery, it is excellent for awakening one's own awareness of inner spirit, intuition and psychic abilities. Labradorite is also the most powerful protector all minerals on Earth.

Rainbow Moonstone: Has a strong connection to the moon, helps calm responses and stress, and avoid overreaction. It brings hope, enhances feminine energies, sensitivity, intuition, and psychic abilities. It is also said to bring strong energies of abundance to one's life. Moonstone is a stone of protection, and a guiding beacon of light in dark or troubling times.