Spinel Luster
Optical Properties of Spinel 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. Spinel optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.
Spinel luster is the quantity of light the crystal reflects when light is incident on it. Spinel which is commonly found in Blue, Violet, Colorless, Red, Green, Brown color, is Translucent, Transparent and Transparent to translucent in nature. It possess Vitreous luster.