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Sapphire
Sapphire

Tigers Eye
Tigers Eye



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Sapphire
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Tigers Eye

Sapphire and Tigers Eye Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Silky
1.2 Pleochroism
Strong
Not Available
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to opaque
Opaque
1.5 Refractive Index
1.762-1.7881.534-1.540
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.008-0.009Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gemstones of the world (2001) More from other references

Sapphire and Tigers Eye Optic Character

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

Sapphire and Tigers Eye Transparency

Similar to their colors, Sapphire 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, Sapphire is Translucent, Transparent and Transparent to opaque while Sapphire is Translucent, Transparent and Transparent to opaque in appearance.