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Spessartine and Turquoise Optical Properties


Turquoise and Spessartine Optical Properties


Optical Properties

Luster
Vitreous   
Waxy   

Pleochroism
Not Available   
Weak   

Dispersion
0.03   
15
None   

Transparency
Gemmological Tables (2004) More from other references   
Translucent, Opaque   

Refractive Index
1.789-1.820   
1.610-1.650   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Triclinic   

Birefringence
0.027   
0.040   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Translucent   

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Spessartine and Turquoise Optic Character

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

Similar to their colors, Spessartine and Turquoise 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, Spessartine is Gemmological Tables (2004) More from other references while Spessartine is Gemmological Tables (2004) More from other references in appearance.

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