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Wulfenite
Wulfenite

Boulder Opal
Boulder Opal



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Wulfenite
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Boulder Opal

Wulfenite and Boulder Opal Optical Properties

Optical Properties

Luster

Adamantine, Resinous
-

Pleochroism

Weak
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

2.280-2.4051.370-1.470
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
-

Birefringence

0.122-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Wulfenite and Boulder Opal Optic Character

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

Wulfenite and Boulder Opal Transparency

Similar to their colors, Wulfenite and Boulder Opal 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, Wulfenite is Transparent while Wulfenite is Transparent in appearance.