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Copper and Sulphur Optical Properties


Sulphur and Copper Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
TranslucentWalter Schumann, Gemstones of the world (2001)   

Refractive Index
Not Available   
1.958-2.245   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m   
Not Available   

Birefringence
Not Available   
0.291   

Clarity
Not Available   
TranslucentWalter Schumann   

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Copper and Sulphur Optic Character

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

Similar to their colors, Copper 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, Copper is Not Available while Copper is Not Available in appearance.

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