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Dioptase
Dioptase

Charlesite
Charlesite



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Dioptase
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Charlesite

Dioptase and Charlesite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Weak; dark emerald green
Nearly colorless to pale golden yellow

Dispersion

0.040.03
0.005 1
👆🏻

Transparency

TranslucentHerve Nicolas Lazzarelli
-

Refractive Index

1.644-1.7201.492
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.051-0.053-9999
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
-

Dioptase and Charlesite Optic Character

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

Dioptase and Charlesite Transparency

Similar to their colors, Dioptase and Charlesite 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, Dioptase is TranslucentHerve Nicolas Lazzarelli while Dioptase is TranslucentHerve Nicolas Lazzarelli in appearance.