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Garnet
Garnet

Williamsite
Williamsite



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Garnet
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Williamsite

Garnet and Williamsite Optical Properties

Optical Properties

Luster

Vitreous, Adamantine
Waxy, Silky, Resinous, Greasy

Pleochroism

None
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent, Transparent to translucent
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.730-1.8951.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
TranslucentHerve Nicolas Lazzarelli

Garnet and Williamsite Optic Character

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

Garnet and Williamsite Transparency

Similar to their colors, Garnet 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, Garnet is Transparent and Transparent to translucent while Garnet is Transparent and Transparent to translucent in appearance.