Gypsum Luster
Optical Properties of Gypsum 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. Gypsum optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.
Gypsum luster is the quantity of light the crystal reflects when light is incident on it. Gypsum which is commonly found in Colorless, White, Colorless, Greenish, Brown, White, Colorless, Greenish, Brown, White, Colorless, Greenish, Brown color, is Translucent and Transparent in nature. It possess Pearly, Silky, Vitreous and Waxy luster.