Optical Properties of Sodalite 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. Sodalite optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.
Sodalite luster is the quantity of light the crystal reflects when light is incident on it. Sodalite which is commonly found in Blue, White, pink, gray, Green color, is Opaque, Translucent and Transparent in nature. It possess Greasy luster.