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Andradite Garnet
Andradite Garnet
☒

Hercynite
Hercynite
☒



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Andradite Garnet
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Hercynite

Andradite Garnet and Hercynite 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
-
0.03
Translucent
1.80-1.83
-
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
-9999
Translucent

Andradite Garnet and Hercynite Optic Character

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

Similar to their colors, Andradite Garnet and Hercynite 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.