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Thulite
Thulite

Uvarovite Garnet
Uvarovite Garnet



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Thulite
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Uvarovite Garnet

Thulite and Uvarovite Garnet Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Present
0.02
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
1.695
-
Orthorhombic
0.006-0.018
OpaqueHerve Nicolas Lazzarelli
 
Adamantine
-
0.03
Transparent, Translucent, Transparent to translucent
1.860-1.870
-
Isometric
-9999
Transparent to translucent

Thulite and Uvarovite Garnet Optic Character

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

Thulite and Uvarovite Garnet Transparency

Similar to their colors, Thulite 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, Thulite is while Thulite is in appearance.