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Smithsonite
Smithsonite

Aragonite
Aragonite



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Smithsonite
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Aragonite

Smithsonite and Aragonite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Resinous

Pleochroism

-
StrongArthur Thomas

Dispersion

0.010.17
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.620-1.8501.525-1.686
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.223-0.2270.155
0 0.296
👆🏻

Clarity

Translucent
Transparent

Smithsonite and Aragonite Optic Character

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

Similar to their colors, Smithsonite and Aragonite 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.