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Garnet
Garnet

Annabergite
Annabergite



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Garnet
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Annabergite

Garnet and Annabergite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Adamantine
None
0.02
Transparent, Transparent to translucent
1.730-1.895
-
Trigonal
-9999
Transparent
 
Subadamantine, Pearly
-
0.03
-
1.622
-
monoclinic
0.065
-

Garnet and Annabergite Optic Character

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

Garnet and Annabergite Transparency

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