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Apache Tear
Apache Tear

Amblygonite
Amblygonite



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Apache Tear
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Amblygonite

Apache Tear and Amblygonite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
weak to none

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991.578-1.646
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

-
Triclinic

Birefringence

-99990.020-0.030
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Apache Tear and Amblygonite Optic Character

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

Apache Tear and Amblygonite Transparency

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