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Apache Tear
Apache Tear

Spinel
Spinel



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Apache Tear
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Spinel

Apache Tear and Spinel Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Absent

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

-99991.73
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Isometric

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Apache Tear and Spinel Optic Character

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

Apache Tear and Spinel Transparency

Similar to their colors, Apache Tear and Spinel 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.