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Abalone
Abalone

Alunite
Alunite



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Abalone
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Alunite

Abalone and Alunite Optical Properties

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Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.540.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991.572
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-99990.020
0 0.296
👆🏻

Clarity

Translucent
-

Abalone and Alunite Optic Character

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

Abalone and Alunite Transparency

Similar to their colors, Abalone and Alunite 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, Abalone is while Abalone is in appearance.