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