×

Powellite
Powellite

Uvite
Uvite



ADD
Compare
X
Powellite
X
Uvite

Powellite and Uvite Optical Properties

Add ⊕

Optical Properties

Luster

Greasy, Subadamantine
Vitreous

Pleochroism

In deeply colored specimens: blue greenAnthony et al
Pale yellow colorlessAnthony et al

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.974-1.9841.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.014-0.032
0 0.296
👆🏻

Clarity

Transparent
Transparent

Powellite and Uvite Optic Character

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

Powellite and Uvite Transparency

Similar to their colors, Powellite and Uvite 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, Powellite is Transparent while Powellite is Transparent in appearance.