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