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