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Omphacite
Omphacite

Verdite
Verdite



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Omphacite
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Verdite

Omphacite and Verdite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Silky

Pleochroism

Weak: colorless -- very pale green -- very pale green
Extreme

Dispersion

0.020.03
0.005 1
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Transparency

TranslucentAnthony et al
Translucent

Refractive Index

1.662-1.7231.580
1 3.25
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Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
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Clarity

TranslucentAnthony et al
Translucent

Omphacite and Verdite Optic Character

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

Omphacite and Verdite Transparency

Similar to their colors, Omphacite 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, Omphacite is TranslucentAnthony et al while Omphacite is TranslucentAnthony et al in appearance.