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Afghanite
Afghanite

Grossular
Grossular



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Afghanite
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Grossular

Afghanite and Grossular Optical Properties

Optical Properties

Luster

Vitreous
Greasy, Vitreous

Pleochroism

-
None

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.5231.730-1.760
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
cubic

Birefringence

0.0060.020
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Afghanite and Grossular Optic Character

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

Similar to their colors, Afghanite and Grossular 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.