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Star Ruby
Star Ruby

Amblygonite
Amblygonite



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Star Ruby
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Amblygonite

Star Ruby and Amblygonite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
weak to none

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.757-1.7801.578-1.646
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

-
Triclinic

Birefringence

0.007-0.0100.020-0.030
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Star Ruby and Amblygonite Optic Character

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

Star Ruby and Amblygonite Transparency

Similar to their colors, Star Ruby 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, Star Ruby is Transparent and Translucent while Star Ruby is Transparent and Translucent in appearance.