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Taaffeite
Taaffeite

Sunstone
Sunstone



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Taaffeite
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Sunstone

Taaffeite and Sunstone Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Weak
Weak or absentWalter Schumann

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.70-1.731.53-1.55
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Triclinic

Birefringence

0.0550.007-0.010
0 0.296
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Clarity

-
Transparent to translucent

Taaffeite and Sunstone Optic Character

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

Taaffeite and Sunstone Transparency

Similar to their colors, Taaffeite and Sunstone 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, Taaffeite is while Taaffeite is in appearance.