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Bort
Bort

Williamsite
Williamsite



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Bort
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Williamsite

Bort and Williamsite Optical Properties

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Optical Properties

Luster

-
Waxy, Silky, Resinous, Greasy

Pleochroism

-
-

Dispersion

-0.03
0.005 1
👆🏻

Transparency

-
TranslucentHerve Nicolas Lazzarelli

Refractive Index

-99991.530-1.575
1 3.25
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Optic Character

-
-

Crystal System

-
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
TranslucentHerve Nicolas Lazzarelli

Bort and Williamsite Optic Character

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

Bort and Williamsite Transparency

Similar to their colors, Bort 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, Bort is while Bort is in appearance.