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Pearl
Pearl

Taaffeite
Taaffeite



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Pearl
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Taaffeite

Pearl and Taaffeite Optical Properties

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Optical Properties

Luster

Pearly
Vitreous

Pleochroism

-
Weak

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Translucent, Opaque
-

Refractive Index

1.52-1.661.70-1.73
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Hexagonal

Birefringence

0.1560.055
0 0.296
👆🏻

Clarity

Translucent
-

Pearl and Taaffeite Optic Character

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

Pearl and Taaffeite Transparency

Similar to their colors, Pearl and Taaffeite 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, Pearl is Translucent and Opaque while Pearl is Translucent and Opaque in appearance.