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Wulfenite
Wulfenite

Annabergite
Annabergite



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Wulfenite
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Annabergite

Wulfenite and Annabergite Optical Properties

Optical Properties

Luster

Adamantine, Resinous
Subadamantine, Pearly

Pleochroism

Weak
-

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

2.280-2.4051.622
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.1220.065
0 0.296
👆🏻

Clarity

Transparent
-

Wulfenite and Annabergite Optic Character

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

Similar to their colors, Wulfenite and Annabergite 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.