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Garnet
Garnet

Antigorite
Antigorite



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Garnet
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Antigorite

Garnet and Antigorite Optical Properties

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Optical Properties

Luster

Vitreous, Adamantine
Waxy, Silky, Resinous, Greasy

Pleochroism

None
pale greenish yellow

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Transparent to translucent
Translucent

Refractive Index

1.730-1.8951.530-1.575
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Monoclinic Domatic H-M Symbol (m) Space Group: Cm

Birefringence

-9999-9999
0 0.296
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Clarity

Transparent
Translucent

Garnet and Antigorite Optic Character

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

Similar to their colors, Garnet and Antigorite 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.