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Wulfenite
Wulfenite

Beryllonite
Beryllonite



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Wulfenite
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Beryllonite

Wulfenite and Beryllonite Optical Properties

Optical Properties

Luster

Adamantine, Resinous
Vitreous, Adamantine, Pearly

Pleochroism

Weak
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

2.280-2.4051.552-1.562
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.1220.009
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Wulfenite and Beryllonite Optic Character

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

Similar to their colors, Wulfenite and Beryllonite 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.