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Sphalerite
Sphalerite

Williamsite
Williamsite



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Sphalerite
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Williamsite

Sphalerite and Williamsite Optical Properties

Optical Properties

Luster

Adamantine
Waxy, Silky, Resinous, Greasy

Pleochroism

-
-

Dispersion

0.160.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
TranslucentHerve Nicolas Lazzarelli

Refractive Index

2.368-2.3711.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
TranslucentHerve Nicolas Lazzarelli

Sphalerite and Williamsite Optic Character

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

Sphalerite and Williamsite Transparency

Similar to their colors, Sphalerite 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, Sphalerite is Transparent and Translucent while Sphalerite is Transparent and Translucent in appearance.