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Tigers Eye and Omphacite Optical Properties


Omphacite and Tigers Eye Optical Properties


Optical Properties

Luster
Silky   
Vitreous   

Pleochroism
Not Available   
Weak: colorless -- very pale green -- very pale green   

Dispersion
None   
Not Available   

Transparency
Opaque   
TranslucentAnthony et al, Handbook of mineralogy (2001)   

Refractive Index
1.534-1.540   
1.662-1.723   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Not Available   

Birefringence
Not Available   
Not Available   

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

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Tigers Eye and Omphacite Optic Character

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

Similar to their colors, Tigers Eye and Omphacite 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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