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Forsterite
Forsterite

Shattuckite
Shattuckite



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Forsterite
X
Shattuckite

Forsterite and Shattuckite Optical Properties

Optical Properties

Luster

Vitreous
Silky

Pleochroism

colorless.
X = very pale blue; Y = pale blue; Z = deep blue

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.635-1.6711.752-1.815
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.033-0.0420.063
0 0.296
👆🏻

Clarity

Transparent
Translucent

Forsterite and Shattuckite Optic Character

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

Similar to their colors, Forsterite and Shattuckite 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.