Scrabble & Words with friends points
        
        
                    - pegmatites is a valid Scrabble US word with a point value of 15
 
          
                    - pegmatites is a valid Scrabble UK word with a point value of 15
 
          
                    - pegmatites is a valid Words with friends word with a point value of 18
 
          
        
        Definition of pegmatites
        
        
          - a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements (noun)
         
        See definition of pegmatites in Merriam Webster