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Vesuvianite
Vesuvianite

Ruby
Ruby



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Vesuvianite
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Ruby

Vesuvianite and Ruby Optical Properties

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Optical Properties

Luster

Vitreous, Resinous
Vitreous, Adamantine

Pleochroism

slight in colored varieties
Strong: purplish-red

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to opaque

Refractive Index

1.703-1.7521.762-1.778
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
Trigonal

Birefringence

0.004-0.0060.008
0 0.296
👆🏻

Clarity

-
Transparent

Vesuvianite and Ruby Optic Character

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

Similar to their colors, Vesuvianite and Ruby 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.