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Apache Tear
Apache Tear

Spessartine
Spessartine



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Apache Tear
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Spessartine

Apache Tear and Spessartine Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991.789-1.820
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Isometric

Birefringence

-99990.027
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Apache Tear and Spessartine Optic Character

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

Similar to their colors, Apache Tear and Spessartine 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.