An amulet is thought to have magical powers and protect the owner from danger or harm. This amulet has the healing power of copper, silver and glass. The light and dark transparent blues swirled in the glass symbolize the sky and sea. Blue is associated with depth and stability, symbolizing trust, loyalty, wisdom , confidence, intelligence, faith, truth, and heaven. Blue is considered beneficial to the mind and body. For more info. go to http://www.color-wheel-pro.com.