×

Erythrite
Erythrite

Williamsite
Williamsite



ADD
Compare
X
Erythrite
X
Williamsite

Erythrite and Williamsite Optical Properties

Optical Properties

Luster

Subadamantine, Pearly
Waxy, Silky, Resinous, Greasy

Pleochroism

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
-

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.626-1.6291.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
TranslucentHerve Nicolas Lazzarelli

Erythrite and Williamsite Optic Character

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

Erythrite and Williamsite Transparency

Similar to their colors, Erythrite and Williamsite 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, Erythrite is while Erythrite is in appearance.