Home
Gemstones


Verdite and Chalcedony Optical Properties


Chalcedony and Verdite Optical Properties


Optical Properties

Luster
Vitreous, Silky   
Vitreous   

Pleochroism
Extreme   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Translucent   
Translucent, Translucent to opaque   

Refractive Index
1.580   
1.530-1.543   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c   
Trigonal   

Birefringence
Not Available   
0.003-0.009   

Clarity
Translucent   
Translucent   

Benefits >>
<< Physical Properties

Verdite and Chalcedony Optic Character

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

Compare Blue Gemstones

Verdite and Chalcedony Transparency

Similar to their colors, Verdite 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, Verdite is Translucent while Verdite is Translucent in appearance.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones