Text this: Color improvement of rubies by ion beam technique

 _    _     ______   _____     _    _   __    __  
| \  / ||  /_   _// |  __ \\  | || | || \ \\ / // 
|  \/  ||   -| ||-  | |  \ || | || | ||  \ \/ //  
| .  . ||   _| ||_  | |__/ || | \\_/ ||   \  //   
|_|\/|_||  /_____// |_____//   \____//     \//    
`-`  `-`   `-----`   -----`     `---`       `