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