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Agate
Agate

Tigers Eye
Tigers Eye



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Agate
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Tigers Eye

Agate and Tigers Eye Optical Properties

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Optical Properties

Luster

Vitreous
Silky

Pleochroism

Absent
-

Dispersion

0.010.01
0.005 1
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Transparency

Translucent
Opaque

Refractive Index

1.530-1.5431.534-1.540
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.004-9999
0 0.296
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Clarity

Translucent
-

Agate and Tigers Eye Optic Character

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

Agate and Tigers Eye Transparency

Similar to their colors, Agate and Tigers Eye 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, Agate is Translucent while Agate is Translucent in appearance.