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Wulfenite
Wulfenite

Agrellite
Agrellite



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Wulfenite
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Agrellite

Wulfenite and Agrellite Optical Properties

Optical Properties

Luster

Adamantine, Resinous
Pearly

Pleochroism

Weak
colorless.

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

2.280-2.4051.567
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Triclinic

Birefringence

0.1220.014
0 0.296
👆🏻

Clarity

Transparent
-

Wulfenite and Agrellite Optic Character

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

Similar to their colors, Wulfenite and Agrellite 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.