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Sanidine and Pezzottaite Optical Properties


Pezzottaite and Sanidine Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
WeakMichael O’Donoghue   
Moderate dichroic   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Transparent   

Refractive Index
1.518-1.536   
1.598-1.620   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Hexagonal   

Birefringence
0.005-0.008   
0.008-0.011   

Clarity
Transparent   
Transparent   

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Sanidine and Pezzottaite Optic Character

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

Similar to their colors, Sanidine and Pezzottaite 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, Sanidine is Transparent while Sanidine is Transparent in appearance.

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