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Verdelite
Verdelite

Taaffeite
Taaffeite



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Verdelite
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Taaffeite

Verdelite and Taaffeite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

Strong: dark green yellow
Weak

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.614-1.6661.70-1.73
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

0.014-0.0400.055
0 0.296
👆🏻

Clarity

Transparent
-

Verdelite and Taaffeite Optic Character

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

Verdelite and Taaffeite Transparency

Similar to their colors, Verdelite and Taaffeite 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, Verdelite is Transparent and Translucent while Verdelite is Transparent and Translucent in appearance.