Thulite Luster
Optical Properties of Thulite 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. Thulite optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.
Thulite luster is the quantity of light the crystal reflects when light is incident on it. Thulite which is commonly found in Red color, is Opaque, Opaque . May be translucent in thin backlit sections. and Translucent in nature. It possess Vitreous luster.