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Verdite
Verdite

Obsidian
Obsidian



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Verdite
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Obsidian

Verdite and Obsidian Optical Properties

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Optical Properties

Luster

Vitreous, Silky
Vitreous

Pleochroism

Extreme
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.5801.450-1.550
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 Obsidian Optic Character

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

Similar to their colors, Verdite and Obsidian 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.