Bort Luster
Optical Properties of Bort 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. Bort optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.
Bort luster is the quantity of light the crystal reflects when light is incident on it. Bort which is commonly found in White, Colorless, Blue, Red, Green, Yellow, Violet color,