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Jasper
Jasper

Zinnwaldite
Zinnwaldite



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Jasper
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Zinnwaldite

Jasper and Zinnwaldite Optical Properties

Optical Properties

Luster

Vitreous
Pearly, Vitreous

Pleochroism

-
Distinct

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Opaque
-

Refractive Index

1.5401.565-1.625
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

-99990.040-0.050
0 0.296
👆🏻

Clarity

OpaqueHerve Nicolas Lazzarelli
-

Jasper and Zinnwaldite Optic Character

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

Similar to their colors, Jasper and Zinnwaldite 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.