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Williamsite
Williamsite

Grossular
Grossular



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Williamsite
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Grossular

Williamsite and Grossular Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
Greasy, Vitreous

Pleochroism

-
None

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

TranslucentHerve Nicolas Lazzarelli
-

Refractive Index

1.530-1.5751.730-1.760
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
cubic

Birefringence

-99990.020
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
TransparentUlrich Henn and Claudio C. Milisenda

Williamsite and Grossular Optic Character

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

Similar to their colors, Williamsite and Grossular 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.