Description: This is a large Chrome-Tourmaline crystal from this pocket, has deep green color, translucent and glassy luster, clear crystal edges, Chrome-Tourmaline is one of the tourmaline specie, which mainly from Tanzania for now. Which can be called as Chrome-Tourmaline, Only the tourmaline contain the chrome and cause the green color. Because of contain Chrome element, they are more green in color and more special or valuable than normal tourmaline.