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Smithsonite
Smithsonite

Charlesite
Charlesite



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Smithsonite
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Charlesite

Smithsonite and Charlesite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
Nearly colorless to pale golden yellow

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.620-1.8501.492
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.223-0.227-9999
0 0.296
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Clarity

Translucent
-

Smithsonite and Charlesite Optic Character

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

Smithsonite and Charlesite Transparency

Similar to their colors, Smithsonite 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, Smithsonite is Translucent while Smithsonite is Translucent in appearance.