It is believed that amethyst gemstone can explore the spirit and mind. Amethyst pendant can help the wearer guard against psychic problems and overcome addition. It is also used for healing pains and disorders. The pendant itself is approx. 1 x 7/16 x 7/16 . One black cord is included. Warning: This item can expose you to chemicals which are known to the State of California to cause cancer birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov