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