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Wulfenite
Wulfenite

Pyromorphite
Pyromorphite



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Wulfenite
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Pyromorphite

Wulfenite and Pyromorphite Optical Properties

Optical Properties

Luster

Adamantine, Resinous
Resinous, Subadamantine

Pleochroism

Weak
Weak

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

2.280-2.4052.042-2.059
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Hexagonal

Birefringence

0.1220.010
0 0.296
👆🏻

Clarity

Transparent
Transparent

Wulfenite and Pyromorphite Optic Character

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

Similar to their colors, Wulfenite and Pyromorphite 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.