×

Verdite
Verdite

Powellite
Powellite



ADD
Compare
X
Verdite
X
Powellite

Verdite and Powellite Optical Properties

Add ⊕

Optical Properties

Luster

Vitreous, Silky
Greasy, Subadamantine

Pleochroism

Extreme
In deeply colored specimens: blue greenAnthony et al

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.5801.974-1.984
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Verdite and Powellite Optic Character

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

Verdite and Powellite Transparency

Similar to their colors, Verdite and Powellite 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.