×

Verdelite
Verdelite

Mottramite
Mottramite



ADD
Compare
X
Verdelite
X
Mottramite

Verdelite and Mottramite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
Strong: dark green yellow
0.02
Transparent, Translucent
1.614-1.666
-
-
0.014-0.040
Transparent
 
Greasy
Visible X=Y= canary yellow to greenish yellow
0.04
-
2.170
-
Orthorhombic
0.150
-

Verdelite and Mottramite Optic Character

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

Verdelite and Mottramite Transparency

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