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Schorl
Schorl

Taaffeite
Taaffeite



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Schorl
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Taaffeite

Schorl and Taaffeite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Very strong: yellow-brown pale yellow
Weak

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.635-1.6721.70-1.73
1 3.25
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Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

0.0250.055
0 0.296
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Clarity

Transparent
-

Schorl and Taaffeite Optic Character

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

Schorl and Taaffeite Transparency

Similar to their colors, Schorl 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, Schorl is Transparent and Translucent while Schorl is Transparent and Translucent in appearance.