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Spodumene and Verdite Optical Properties


Verdite and Spodumene Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Silky   

Pleochroism
Strong in kunzite: α-purple   
Extreme   

Dispersion
0.02   
22
Not Available   

Transparency
Transparent   
Translucent   

Refractive Index
1.657-1.681   
1.580   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c   

Birefringence
0.014-0.018   
Not Available   

Clarity
Gems   
Translucent   

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Spodumene and Verdite Optic Character

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

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Spodumene and Verdite Transparency

Similar to their colors, Spodumene and Verdite 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.

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