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Verdelite
Verdelite

Axinite
Axinite



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Verdelite
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Axinite

Verdelite and Axinite Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

Strong: dark green yellow
Strong

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.614-1.6661.656-1.704
1 3.25
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Optic Character

-
Biaxial/+

Crystal System

-
Triclinic

Birefringence

0.014-0.0400.009-0.012
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Verdelite and Axinite Optic Character

Verdelite and Axinite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Verdelite and Axinite 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 Axinite 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. Axinite has Biaxial/+ character.

Verdelite and Axinite Transparency

Similar to their colors, Verdelite and Axinite 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.