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Tigers Eye and Esperite Optical Properties


Esperite and Tigers Eye Optical Properties


Optical Properties

Luster
Silky   
Vitreous   

Pleochroism
Not Available   
colorless.   

Dispersion
None   
Not Available   

Transparency
Opaque   
OpaqueAnthony et al, Opaque, Transparent   

Refractive Index
1.534-1.540   
1.760-1.774   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
monoclinic   

Birefringence
Not Available   
0.012   

Clarity
Gemstones of the world (2001) More from other references   
OpaqueAnthony et al   

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Tigers Eye and Esperite Optic Character

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

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Tigers Eye and Esperite Transparency

Similar to their colors, Tigers Eye and Esperite 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.

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