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Jasper
Jasper

Adularia
Adularia



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Jasper
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Adularia

Jasper and Adularia Optical Properties

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Optical Properties

Luster

Vitreous
-

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Opaque
TransparentArthur Thomas

Refractive Index

1.5401.518-1.536
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

-99990.005-0.008
0 0.296
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Clarity

OpaqueHerve Nicolas Lazzarelli
TransparentArthur Thomas

Jasper and Adularia Optic Character

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

Similar to their colors, Jasper and Adularia 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.