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Wulfenite
Wulfenite

Esperite
Esperite



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Wulfenite
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Esperite

Wulfenite and Esperite Optical Properties

Optical Properties

Luster

Adamantine, Resinous
Vitreous

Pleochroism

Weak
colorless.

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Transparent
OpaqueAnthony et al, Opaque, Transparent

Refractive Index

2.280-2.4051.760-1.774
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.1220.012
0 0.296
👆🏻

Clarity

Transparent
OpaqueAnthony et al

Wulfenite and Esperite Optic Character

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

Similar to their colors, Wulfenite and Esperite 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.