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Sard and Lazurite Optical Properties


Lazurite and Sard Optical Properties


Optical Properties

Luster
Waxy   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
None   
Not Available   

Transparency
Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.535-1.539   
1.500   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Isometric   

Birefringence
0.008-0.010   
Not Available   

Clarity
Translucent   
Gemmological Tables (2004) More from other references   

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Sard and Lazurite Optic Character

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

Similar to their colors, Sard and Lazurite 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, Sard is Translucent while Sard is Translucent in appearance.

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