Optical Properties of Turquoise are its behavioral responses towards light. While few optical properties can be identified with naked eyes, other require special instruments by the gemologists to identify them. Turquoise optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.
Turquoise luster is the quantity of light the crystal reflects when light is incident on it. Turquoise which is commonly found in Green, Blue, gray color, is Opaque and Translucent in nature. It possess Waxy luster.