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Jasper
Jasper

Chrysoprase
Chrysoprase



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Jasper
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Chrysoprase

Jasper and Chrysoprase Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Waxy

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
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Transparency

Opaque
Translucent, Opaque, Translucent to nearly opaque

Refractive Index

1.5401.530-1.543
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

-99990.004
0 0.296
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Clarity

OpaqueHerve Nicolas Lazzarelli
Translucent

Jasper and Chrysoprase Optic Character

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

Jasper and Chrysoprase Transparency

Similar to their colors, Jasper and Chrysoprase 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, Jasper is Opaque while Jasper is Opaque in appearance.