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  _____    __   __   __   __   _    _     _____   
 / ____||  \ \\/ //  \ \\/ // | || | ||  /  ___|| 
/ //---`'   \ ` //    \   //  | || | || | // __   
\ \\___      | ||     / . \\  | \\_/ || | \\_\ || 
 \_____||    |_||    /_//\_\\  \____//   \____//  
  `----`     `-`'    `-`  --`   `---`     `---`

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Text this: Hydroxyapatite: Hexagonal or monoclinic?