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Verdelite
Verdelite

Eudialyte
Eudialyte



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Verdelite
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Eudialyte

Verdelite and Eudialyte Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

Strong: dark green yellow
Weak: O= colorless

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent

Refractive Index

1.614-1.6661.591-1.633
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.014-0.0400.003-0.010
0 0.296
👆🏻

Clarity

Transparent
Translucent

Verdelite and Eudialyte Optic Character

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

Similar to their colors, Verdelite and Eudialyte 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.