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Garnet and Zircon Optical Properties


Zircon and Garnet Optical Properties


Optical Properties

Luster
Vitreous, Adamantine, Vitreous, Adamantine   
Adamantine   

Pleochroism
None   
Weak   

Dispersion
0.02   
16
0.04   
11

Transparency
Transparent, Transparent to translucent   
Transparent   

Refractive Index
1.730-1.895   
1.810-2.024   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
tetragonal   

Birefringence
Not Available   
0.047-0.055   

Clarity
Transparent   
Transparent   

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Garnet and Zircon Optic Character

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

Similar to their colors, Garnet and Zircon 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.

Semi Precious

Semi Precious


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