Alabaster Luster
Optical Properties of Alabaster 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. Alabaster optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.
Alabaster luster is the quantity of light the crystal reflects when light is incident on it. Alabaster which is commonly found in Brown, Black color, is Translucent in nature.