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Afghanite
Afghanite

Inderite
Inderite



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Afghanite
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Inderite

Afghanite and Inderite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly, Greasy

Pleochroism

-
-

Dispersion

0.02-
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.5231.488-1.505
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

Birefringence

0.0060.017
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Afghanite and Inderite Optic Character

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

Afghanite and Inderite Transparency

Similar to their colors, Afghanite and Inderite 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.