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Bort
Bort

Hureaulite
Hureaulite



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Bort
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Hureaulite

Bort and Hureaulite Optical Properties

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Optical Properties

Luster

-
Vitreous, Greasy

Pleochroism

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Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al

Dispersion

-0.02
0.005 1
👆🏻

Transparency

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Transparent

Refractive Index

-99991.647-1.667
1 3.25
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Optic Character

-
-

Crystal System

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Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Birefringence

-99990.012
0 0.296
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Clarity

-
Transparent

Bort and Hureaulite Optic Character

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

Similar to their colors, Bort and Hureaulite 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.