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Forsterite
Forsterite

Arfvedsonite
Arfvedsonite



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Forsterite
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Arfvedsonite

Forsterite and Arfvedsonite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

colorless.
Strong: Blue-greens

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.635-1.6711.652-1.699
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.033-0.042-9999
0 0.296
👆🏻

Clarity

Transparent
-

Forsterite and Arfvedsonite Optic Character

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

Similar to their colors, Forsterite and Arfvedsonite 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.