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Sylvite and Chalcedony Optical Properties


Chalcedony and Sylvite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Visible in colored crystals   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Not Available   
Translucent, Translucent to opaque   

Refractive Index
1.4903   
1.530-1.543   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Trigonal   

Birefringence
Not Available   
0.003-0.009   

Clarity
Not Available   
Translucent   

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<< Physical Properties

Sylvite and Chalcedony Optic Character

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

Similar to their colors, Sylvite and Chalcedony 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, Sylvite is Not Available while Sylvite is Not Available in appearance.

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