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Nuummite
Nuummite

Weloganite
Weloganite



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Nuummite
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Weloganite

Nuummite and Weloganite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.635-1.6631.558
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Triclinic

Birefringence

0.0170-0.2300.082
0 0.296
👆🏻

Clarity

-
-

Nuummite and Weloganite Optic Character

Nuummite and Weloganite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Nuummite and Weloganite 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 Nuummite and Weloganite 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.

Nuummite and Weloganite Transparency

Similar to their colors, Nuummite and Weloganite 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, Nuummite is while Nuummite is in appearance.