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Diamond and Garnet Optical Properties


Garnet and Diamond Optical Properties


Optical Properties

Luster
Adamantine   
Vitreous, Adamantine, Vitreous, Adamantine   

Pleochroism
None   
None   

Dispersion
0.04   
10
0.02   
16

Transparency
Transparent, Translucent, Transparent to opaque   
Transparent, Transparent to translucent   

Refractive Index
2.417-2.419   
1.730-1.895   

Optic Character
Not Available   
Not Available   

Crystal System
cubic   
Trigonal   

Birefringence
Not Available   
Not Available   

Clarity
Transparent   
Transparent   

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Diamond and Garnet Optic Character

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

Similar to their colors, Diamond and 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, Diamond is Translucent, Transparent and Transparent to opaque while Diamond is Translucent, Transparent and Transparent to opaque in appearance.

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