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Verdite
Verdite

Dioptase
Dioptase



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Verdite
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Dioptase

Verdite and Dioptase Optical Properties

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Optical Properties

Luster

Vitreous, Silky
Vitreous

Pleochroism

Extreme
Weak; dark emerald green

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

Translucent
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.5801.644-1.720
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.051-0.053
0 0.296
👆🏻

Clarity

Translucent
TranslucentHerve Nicolas Lazzarelli

Verdite and Dioptase Optic Character

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

Similar to their colors, Verdite and Dioptase 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.