AVENA Green Tourmaline

How does Avena Green Tourmaline compare to Natural Tourmaline?

• Avena Green Tourmaline has medium brilliance compared to Natural Tourmaline which has medium brilliance.

• Avena Green Tourmaline has medium fire compared to Natural Tourmaline which has medium fire.
  
  

  Name	Avena Green Tourmaline	Tourmaline
  Material	Avena Green Tourmaline	Tourmaline
  Refractive Index	1.712 - 1.736	1.62 - 1.64
  Brilliance	Medium	Medium
  Dispersion	0.02	0.018
  Fire	Medium	Medium
  Hardness	8	7.5
  Specific Gravity	3.58 - 3.61	3.06