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Idocrase
Idocrase

Afghanite
Afghanite



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Idocrase
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Afghanite

Idocrase and Afghanite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.67-1.761.523
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Trigonal

Birefringence

-99990.006
0 0.296
👆🏻

Clarity

-
Transparent

Idocrase and Afghanite Optic Character

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

Idocrase and Afghanite Transparency

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