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Vesuvianite
Vesuvianite

Sunstone
Sunstone



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Vesuvianite
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Sunstone

Vesuvianite and Sunstone Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous

Pleochroism

slight in colored varieties
Weak or absentWalter Schumann

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.703-1.7521.53-1.55
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
Triclinic

Birefringence

0.004-0.0060.007-0.010
0 0.296
👆🏻

Clarity

-
Transparent to translucent

Vesuvianite and Sunstone Optic Character

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

Vesuvianite and Sunstone Transparency

Similar to their colors, Vesuvianite and Sunstone 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, Vesuvianite is while Vesuvianite is in appearance.