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Viridine
Viridine

Dioptase
Dioptase



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Viridine
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Dioptase

Viridine and Dioptase Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

-
Weak; dark emerald green

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.629-1.6601.644-1.720
1 3.25
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Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.007-0.0130.051-0.053
0 0.296
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Clarity

Transparent
TranslucentHerve Nicolas Lazzarelli

Viridine and Dioptase Optic Character

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

Viridine and Dioptase Transparency

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