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Williamsite
Williamsite

Rubellite
Rubellite



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Williamsite
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Rubellite

Williamsite and Rubellite Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
-

Pleochroism

-
Strong: dark red pinkish-redHerve Nicolas Lazzarelli

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

TranslucentHerve Nicolas Lazzarelli
Transparent, Translucent

Refractive Index

1.530-1.5751.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.014-0.040
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
Transparent

Williamsite and Rubellite Optic Character

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

Similar to their colors, Williamsite and Rubellite 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.