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Paraiba
Paraiba

Sapphire
Sapphire



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Paraiba
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Sapphire

Paraiba and Sapphire Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
-
1.618-1.643
-
-
-9999
-
 
Vitreous, Adamantine
Strong
0.02
Transparent, Translucent, Transparent to opaque
1.762-1.788
-
Trigonal
0.008-0.009
Transparent

Paraiba and Sapphire Optic Character

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

Paraiba and Sapphire Transparency

Similar to their colors, Paraiba and Sapphire 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, Paraiba is while Paraiba is in appearance.