×

Obsidian
Obsidian

Wulfenite
Wulfenite



ADD
Compare
X
Obsidian
X
Wulfenite

Obsidian and Wulfenite Optical Properties

Optical Properties

Luster

Vitreous
Adamantine, Resinous

Pleochroism

-
Weak

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.450-1.5502.280-2.405
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
tetragonal

Birefringence

-99990.122
0 0.296
👆🏻

Clarity

Transparent
Transparent

Obsidian and Wulfenite Optic Character

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

Obsidian and Wulfenite Transparency

Similar to their colors, Obsidian and Wulfenite 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, Obsidian is Transparent and Translucent while Obsidian is Transparent and Translucent in appearance.