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Fire Opal
Fire Opal

Tigers Eye
Tigers Eye



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Fire Opal
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Tigers Eye

Fire Opal and Tigers Eye Optical Properties

Optical Properties

Luster

-
Silky

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Opaque

Refractive Index

1.370-1.4701.534-1.540
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
-

Fire Opal and Tigers Eye Optic Character

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

Fire Opal and Tigers Eye Transparency

Similar to their colors, Fire Opal 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, Fire Opal is Transparent and Translucent while Fire Opal is Transparent and Translucent in appearance.