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Andradite Garnet
Andradite Garnet

Amethyst
Amethyst



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Andradite Garnet
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Amethyst

Andradite Garnet and Amethyst Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Adamantine
-
0.03
Transparent, Opaque, Transparent to opaque
1.888-1.889
-
Isometric
-9999
Transparent to opaque
 
Vitreous
None
0.01
Transparent, Transparent to translucent
1.544-1.553
-
Trigonal
0.009
Transparent

Andradite Garnet and Amethyst Optic Character

Andradite Garnet and Amethyst optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Andradite Garnet Vs Amethyst 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 Andradite Garnet and Amethyst 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.

Andradite Garnet and Amethyst Transparency

Similar to their colors, Andradite Garnet and Amethyst 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, Andradite Garnet is while Andradite Garnet is in appearance.