Home
Gemstones


Gedrite and Dioptase Optical Properties


Dioptase and Gedrite Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous  

Pleochroism
Weak to moderate  
Weak; dark emerald green  

Dispersion
0.02  
99+
0.04  
38

Transparency
Transparent  
TranslucentHerve Nicolas Lazzarelli  

Refractive Index
1.625-1.718  
1.644-1.720  

Optic Character
-  
-  

Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma  
Trigonal  

Birefringence
-9999  
0.051-0.053  

Clarity
Transparent  
TranslucentHerve Nicolas Lazzarelli  

Benefits >>
<< Physical Properties

Gedrite and Dioptase Optic Character

Gedrite and Dioptase optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Gedrite and Dioptase 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 Gedrite and Dioptase 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 Brown Gemstones

Gedrite and Dioptase Transparency

Similar to their colors, Gedrite and Dioptase 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, Gedrite is Transparent while Gedrite is Transparent in appearance.

Brown Gemstones

Brown Gemstones


Compare Brown Gemstones