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Smithsonite
Smithsonite

Cacoxenite
Cacoxenite



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Smithsonite
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Cacoxenite

Smithsonite and Cacoxenite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Silky

Pleochroism

-
visible: O = Pale yellow E = Canary yellow to yellow orange

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.620-1.8501.575-1.585
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Hexagonal

Birefringence

0.223-0.227-9999
0 0.296
👆🏻

Clarity

Translucent
-

Smithsonite and Cacoxenite Optic Character

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

Similar to their colors, Smithsonite and Cacoxenite 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.