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Vesuvianite
Vesuvianite

Bytownite
Bytownite



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Vesuvianite
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Bytownite

Vesuvianite and Bytownite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous, Pearly

Pleochroism

slight in colored varieties
colorless.

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.703-1.7521.561-1.583
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Triclinic

Birefringence

0.004-0.0060.010-0.011
0 0.296
👆🏻

Clarity

-
Transparent

Vesuvianite and Bytownite Optic Character

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

Similar to their colors, Vesuvianite and Bytownite 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.