Antigorite and Uvarovite Garnet Optical Properties

Antigorite

Uvarovite Garnet

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Optical Properties

Luster

Waxy, Silky, Resinous, Greasy

Adamantine

Pleochroism

pale greenish yellow

Dispersion

0.020.03

0.005 1

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Transparency

Translucent

Transparent, Translucent, Transparent to translucent

Refractive Index

1.530-1.5751.860-1.870

1 3.25

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Optic Character

Crystal System

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

Isometric

Birefringence

-9999-9999

0 0.296

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Clarity

Translucent

Transparent to translucent

Antigorite and Uvarovite Garnet Optic Character

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

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Antigorite and Uvarovite Garnet Transparency

Similar to their colors, Antigorite and Uvarovite 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, Antigorite is Translucent while Antigorite is Translucent in appearance.