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Ammolite
Ammolite

Andradite Garnet
Andradite Garnet



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Ammolite
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Andradite Garnet

Ammolite and Andradite Garnet Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Silky, Vitreous
None
0.01
-
1.520-1.670
-
Trigonal
0.135-0.145
-
 
Adamantine
-
0.03
Transparent, Opaque, Transparent to opaque
1.888-1.889
-
Isometric
-9999
Transparent to opaque

Ammolite and Andradite Garnet Optic Character

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

Ammolite and Andradite Garnet Transparency

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