×

Fayalite
Fayalite

Verdelite
Verdelite



ADD
Compare
X
Fayalite
X
Verdelite

Fayalite and Verdelite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Resinous
Faint
0.03
TransparentAnthony et al
1.827-1.879
-
Orthorhombic
0.042-0.051
TransparentAnthony et al
 
-
Strong: dark green yellow
0.02
Transparent, Translucent
1.614-1.666
-
-
0.014-0.040
Transparent

Fayalite and Verdelite Optic Character

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

Fayalite and Verdelite Transparency

Similar to their colors, Fayalite and Verdelite 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, Fayalite is while Fayalite is in appearance.