The necklace is genuine earth mined. The necklace are made of solid sterling silver. This item is brand new. It is rough, cluster, healing stone. Rainbow Moonstone is said to give the gifts of harmony, emotional balance, peace, and protection. Rainbow moonstone is known for its power to align the chakras and as a powerful healer of the emotional body, offering grounding and centeredness. Rainbow moonstone can offer light through times of darkness and infuse one with a healthy sense of optimism and strength to overcome dark periods.