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Verdite
Verdite

Sapphire
Sapphire



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Verdite
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Sapphire

Verdite and Sapphire Optical Properties

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Optical Properties

Luster

Vitreous, Silky
Vitreous, Adamantine

Pleochroism

Extreme
Strong

Dispersion

0.030.02
0.005 1
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Transparency

Translucent
Transparent, Translucent, Transparent to opaque

Refractive Index

1.5801.762-1.788
1 3.25
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Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Trigonal

Birefringence

-99990.008-0.009
0 0.296
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Clarity

Translucent
Transparent

Verdite and Sapphire Optic Character

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

Verdite and Sapphire Transparency

Similar to their colors, Verdite 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, Verdite is Translucent while Verdite is Translucent in appearance.