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Verdelite
Verdelite

Dioptase
Dioptase



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Verdelite
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Dioptase

Verdelite and Dioptase Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

Strong: dark green yellow
Weak; dark emerald green

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.614-1.6661.644-1.720
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.014-0.0400.051-0.053
0 0.296
👆🏻

Clarity

Transparent
TranslucentHerve Nicolas Lazzarelli

Verdelite and Dioptase Optic Character

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

Verdelite and Dioptase Transparency

Similar to their colors, Verdelite 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, Verdelite is Transparent and Translucent while Verdelite is Transparent and Translucent in appearance.