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Turquoise and Sanidine Optical Properties


Sanidine and Turquoise Optical Properties


Optical Properties

Luster
Waxy   
Not Available   

Pleochroism
Weak   
WeakMichael O’Donoghue   

Dispersion
None   
Not Available   

Transparency
Translucent, Opaque   
Transparent   

Refractive Index
1.610-1.650   
1.518-1.536   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Not Available   

Birefringence
0.040   
0.005-0.008   

Clarity
Translucent   
Transparent   

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<< Physical Properties

Turquoise and Sanidine Optic Character

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

Similar to their colors, Turquoise and Sanidine 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, Turquoise is Opaque and Translucent while Turquoise is Opaque and Translucent in appearance.

Semi Precious

Semi Precious


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