crystalline

Adjective

• transmitting light; able to be seen through with clarity
  • the cold crystalline water of melted snow
    
  • crystal clear skies
    
  • could see the sand on the bottom of the limpid pool
    
  • lucid air
    
  • a pellucid brook
    
  • transparent crystal
    

• distinctly or sharply outlined
  • crystalline sharpness of outline- John Buchan
    

• consisting of or containing or of the nature of crystals
  • granite is crystalline
    

Related words

• Synonyms: 
  crystal clear , limpid , lucid , pellucid , transparent