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Tigers Eye
Tigers Eye

Herderite
Herderite



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Tigers Eye
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Herderite

Tigers Eye and Herderite Optical Properties

Optical Properties

Luster

Silky
Vitreous

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Opaque
Transparent

Refractive Index

1.534-1.5401.587-1.642
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Trigonal
monoclinic

Birefringence

-99990.028-0.032
0 0.296
👆🏻

Clarity

-
Transparent

Tigers Eye and Herderite Optic Character

Tigers Eye and Herderite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Tigers Eye and Herderite 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 Tigers Eye and Herderite 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. Herderite has Biaxial/+ character.

Tigers Eye and Herderite Transparency

Similar to their colors, Tigers Eye and Herderite 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, Tigers Eye is Opaque while Tigers Eye is Opaque in appearance.