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Gahnospinel and Tigers Eye Optical Properties


Tigers Eye and Gahnospinel Optical Properties


Optical Properties

Luster
Vitreous   
Silky   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
Not Available   
None   

Transparency
Gemmological Tables (2004)   
Opaque   

Refractive Index
1.735-1.790   
1.534-1.540   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Trigonal   

Birefringence
Not Available   
Not Available   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Gemstones of the world (2001) More from other references   

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Gahnospinel and Tigers Eye Optic Character

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

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Gahnospinel and Tigers Eye Transparency

Similar to their colors, Gahnospinel 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, Gahnospinel is Gemmological Tables (2004) while Gahnospinel is Gemmological Tables (2004) in appearance.

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