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Smithsonite
Smithsonite

Hawks Eye
Hawks Eye



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Smithsonite
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Hawks Eye

Smithsonite and Hawks Eye Optical Properties

Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

-
-

Dispersion

0.010.05
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.620-1.850-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.223-0.227-9999
0 0.296
👆🏻

Clarity

Translucent
-

Smithsonite and Hawks Eye Optic Character

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

Similar to their colors, Smithsonite and Hawks Eye 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.