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Spodumene
Spodumene

Vesuvianite
Vesuvianite



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Spodumene
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Vesuvianite

Spodumene and Vesuvianite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

Strong in kunzite: α-purple
slight in colored varieties

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.657-1.6811.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
tetragonal

Birefringence

0.014-0.0180.004-0.006
0 0.296
👆🏻

Clarity

-
-

Spodumene and Vesuvianite Optic Character

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

Spodumene and Vesuvianite Transparency

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