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Bort
Bort

Pollucite
Pollucite



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Bort
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Pollucite

Bort and Pollucite Optical Properties

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Optical Properties

Luster

-
Vitreous, Greasy

Pleochroism

-
-

Dispersion

-0.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

-99991.517-1.525
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Isometric

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Transparent

Bort and Pollucite Optic Character

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

Similar to their colors, Bort and Pollucite 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.