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Forsterite
Forsterite

Wulfenite
Wulfenite



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Forsterite
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Wulfenite

Forsterite and Wulfenite Optical Properties

Optical Properties

Luster

Vitreous
Adamantine, Resinous

Pleochroism

colorless.
Weak

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.635-1.6712.280-2.405
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

0.033-0.0420.122
0 0.296
👆🏻

Clarity

Transparent
Transparent

Forsterite and Wulfenite Optic Character

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

Forsterite and Wulfenite Transparency

Similar to their colors, Forsterite and Wulfenite 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, Forsterite is Transparent while Forsterite is Transparent in appearance.