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Amblygonite
Amblygonite

Bort
Bort



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Amblygonite
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Bort

Amblygonite and Bort Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

weak to none
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Dispersion

0.01-
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.578-1.646-9999
1 3.25
👆🏻

Optic Character

Biaxial/+
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Crystal System

Triclinic
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Birefringence

0.020-0.030-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Amblygonite and Bort Optic Character

Amblygonite and Bort optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Amblygonite and Bort 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 Amblygonite and Bort 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. Amblygonite has Biaxial/+ character.

Amblygonite and Bort Transparency

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