Pumpellyite Luster
Optical Properties of Pumpellyite 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. Pumpellyite optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.
Pumpellyite luster is the quantity of light the crystal reflects when light is incident on it. Pumpellyite which is commonly found in Green color, is Gemmological Tables (2004) in nature. It possess Fibrous luster.