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Boleite and Nuummite Optical Properties


Nuummite and Boleite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Not Available   

Pleochroism
Not Available   
Not Available   

Dispersion
0.07   
6
Not Available   

Transparency
Transparent   
Gemmological Tables (2004) More from other references   

Refractive Index
2.05   
1.635-1.663   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Not Available   

Birefringence
0.010   
0.0170-0.230   

Clarity
Transparent   
Gemmological Tables (2004) More from other references   

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Boleite and Nuummite Optic Character

Boleite and Nuummite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Boleite and Nuummite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Boleite and Nuummite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Boleite and Nuummite Transparency

Similar to their colors, Boleite and Nuummite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Boleite is Transparent while Boleite is Transparent in appearance.

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