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Chalcedony and Serendibite Optical Properties


Serendibite and Chalcedony Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
AbsentWalter Schumann   
visible   

Dispersion
None   
Not Available   

Transparency
Translucent, Translucent to opaque   
Gemmological Tables (2004) More from other references   

Refractive Index
1.530-1.543   
1.696-1.702   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Triclinic   

Birefringence
0.003-0.009   
0.005   

Clarity
Translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Chalcedony and Serendibite Optic Character

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

Similar to their colors, Chalcedony and Serendibite 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, Chalcedony is Translucent and Translucent to opaque while Chalcedony is Translucent and Translucent to opaque in appearance.

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