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Schorl
Schorl

Hanksite
Hanksite



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Schorl
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Hanksite

Schorl and Hanksite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Very strong: yellow-brown pale yellow
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.635-1.6721.481
1 3.25
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Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

0.0250.020
0 0.296
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Clarity

Transparent
-

Schorl and Hanksite Optic Character

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

Similar to their colors, Schorl and Hanksite 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.