1. 
   cutinite
   (from the article `coal`) ...wound resins. Their reflectance values are usually the lowest in an individual sample. Several varieties are recognized, including sporinite ...
   Found op http://www.britannica.com/eb/a-z/c/172
   
   
2. 
   Cutinite
   Cutinite is a liptinite maceral formed from terrestrial plant cuticles, and often found in coal deposits. It is classified as a Type II kerogen. ...
   Found op http://en.wikipedia.org/wiki/Cutinite
   
   

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