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Afghanite
Afghanite

Epidote
Epidote



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Afghanite
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Epidote

Afghanite and Epidote Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

-
Strong

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.5231.729-1.768
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.0060.019-0.046
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Afghanite and Epidote Optic Character

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

Afghanite and Epidote Transparency

Similar to their colors, Afghanite and Epidote 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, Afghanite is Transparent while Afghanite is Transparent in appearance.