×

Cordierite
Cordierite

Verdite
Verdite



ADD
Compare
X
Cordierite
X
Verdite

Cordierite and Verdite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Greasy, Vitreous
X = pale yellow
0.01
-
-9999
-
Orthorhombic
-9999
-
 
Vitreous, Silky
Extreme
0.03
Translucent
1.580
-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
-9999
Translucent

Cordierite and Verdite Optic Character

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

Cordierite and Verdite Transparency

Similar to their colors, Cordierite and Verdite 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, Cordierite is while Cordierite is in appearance.