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Bort
Bort

Hurlbutite
Hurlbutite



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Bort
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Hurlbutite

Bort and Hurlbutite Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

-0.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

-99991.595-1.604
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

Birefringence

-99990.009
0 0.296
👆🏻

Clarity

-
Transparent

Bort and Hurlbutite Optic Character

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

Similar to their colors, Bort and Hurlbutite 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.