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Verdite
Verdite

Norbergite
Norbergite



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Verdite
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Norbergite

Verdite and Norbergite Optical Properties

Optical Properties

Luster

Vitreous, Silky
Vitreous

Pleochroism

Extreme
Pale yellow very pale yellow colorlessAnthony et al

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.5801.563-1.593
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Verdite and Norbergite Optic Character

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

Verdite and Norbergite Transparency

Similar to their colors, Verdite and Norbergite 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, Verdite is Translucent while Verdite is Translucent in appearance.