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Garnet
Garnet

Aegirine
Aegirine



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Garnet
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Aegirine

Garnet and Aegirine Optical Properties

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Optical Properties

Luster

Vitreous, Adamantine
Vitreous, Resinous

Pleochroism

None
Emerald green

Dispersion

0.020.01
0.005 1
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Transparency

Transparent, Transparent to translucent
-

Refractive Index

1.730-1.8951.720-1.778
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

-99990.037-0.061
0 0.296
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Clarity

Transparent
-

Garnet and Aegirine Optic Character

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

Similar to their colors, Garnet and Aegirine 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 Transparent and Transparent to translucent while Garnet is Transparent and Transparent to translucent in appearance.