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Schorl
Schorl

Jasper
Jasper



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Schorl
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Jasper

Schorl and Jasper Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Very strong: yellow-brown pale yellow
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Opaque

Refractive Index

1.635-1.6721.540
1 3.25
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Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.025-9999
0 0.296
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Clarity

Transparent
OpaqueHerve Nicolas Lazzarelli

Schorl and Jasper Optic Character

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

Similar to their colors, Schorl and Jasper 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.