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Wulfenite
Wulfenite

Helenite
Helenite



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Wulfenite
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Helenite

Wulfenite and Helenite Optical Properties

Optical Properties

Luster

Adamantine, Resinous
-

Pleochroism

Weak
-

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

2.280-2.405-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
-

Birefringence

0.122-9999
0 0.296
👆🏻

Clarity

Transparent
-

Wulfenite and Helenite Optic Character

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

Similar to their colors, Wulfenite and Helenite 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.