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Forsterite
Forsterite

Sodalite
Sodalite



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Forsterite
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Sodalite

Forsterite and Sodalite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Greasy
1.2 Pleochroism
colorless.
AbsentWalter Schumann
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Opaque
1.5 Refractive Index
1.635-1.6711.478-1.488
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
cubic
1.8 Birefringence
0.033-0.042Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Forsterite and Sodalite Optic Character

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

Similar to their colors, Forsterite and Sodalite 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.