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Sard and Sulphur Optical Properties


Sulphur and Sard Optical Properties


Optical Properties

Luster
Waxy   
Not Available   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
None   
Not Available   

Transparency
Translucent   
TranslucentWalter Schumann, Gemstones of the world (2001)   

Refractive Index
1.535-1.539   
1.958-2.245   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.008-0.010   
0.291   

Clarity
Translucent   
TranslucentWalter Schumann   

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<< Physical Properties

Sard and Sulphur Optic Character

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

Similar to their colors, Sard and Sulphur 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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