Size(approx): 40x40x6 mm (1.56x1.56x.23 inches). Lapis Lazuli is the ‘Stone of Egypt’. It is a powerful healing stone that brings inner power to the wearer & is often used as a protection stone for physical & psychic attacks. Heightens one's awareness, insight & intellect - a good stone for helping to lift depression. Assists in communication, & helps to increase wisdom & gain knowledge. Used for growth & new beginnings, dreaming, women's healing, insomnia. Includes a sterling silver plated chain.