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Crystal Opal
Crystal Opal

Verdite
Verdite



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Crystal Opal
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Verdite

Crystal Opal and Verdite Optical Properties

Optical Properties

Luster

-
Vitreous, Silky

Pleochroism

-
Extreme

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.370-1.1.580
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Crystal Opal and Verdite Optic Character

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

Crystal Opal and Verdite Transparency

Similar to their colors, Crystal Opal and Verdite 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, Crystal Opal is Transparent while Crystal Opal is Transparent in appearance.