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Beryl
Beryl

Abalone
Abalone



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Beryl
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Abalone

Beryl and Abalone Optical Properties

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Optical Properties

Luster

Vitreous, Resinous
-

Pleochroism

Weak to distinct
-

Dispersion

0.010.54
0.005 1
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Transparency

Transparent, Transparent to opaque
-

Refractive Index

1.560-1.604-9999
1 3.25
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Optic Character

-
-

Crystal System

Hexagonal
-

Birefringence

0.0040-0.0070-9999
0 0.296
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Clarity

Transparent
Translucent

Beryl and Abalone Optic Character

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

Beryl and Abalone Transparency

Similar to their colors, Beryl and Abalone 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, Beryl is Transparent and Transparent to opaque while Beryl is Transparent and Transparent to opaque in appearance.