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Wulfenite
Wulfenite

Antigorite
Antigorite



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Wulfenite
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Antigorite

Wulfenite and Antigorite Optical Properties

Optical Properties

Luster

Adamantine, Resinous
Waxy, Silky, Resinous, Greasy

Pleochroism

Weak
pale greenish yellow

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

2.280-2.4051.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Monoclinic Domatic H-M Symbol (m) Space Group: Cm

Birefringence

0.122-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Wulfenite and Antigorite Optic Character

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

Similar to their colors, Wulfenite and Antigorite 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.