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Williamsite
Williamsite

Cacoxenite
Cacoxenite



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Williamsite
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Cacoxenite

Williamsite and Cacoxenite Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
Silky

Pleochroism

-
visible: O = Pale yellow E = Canary yellow to yellow orange

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

TranslucentHerve Nicolas Lazzarelli
-

Refractive Index

1.530-1.5751.575-1.585
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
-

Williamsite and Cacoxenite Optic Character

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

Williamsite and Cacoxenite Transparency

Similar to their colors, Williamsite and Cacoxenite 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, Williamsite is TranslucentHerve Nicolas Lazzarelli while Williamsite is TranslucentHerve Nicolas Lazzarelli in appearance.