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Smithsonite
Smithsonite

Liddicoatite
Liddicoatite



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Smithsonite
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Liddicoatite

Smithsonite and Liddicoatite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
Strong: dark brown light brownAnthony et al

Dispersion

0.010.01
0.005 1
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Transparency

Translucent
Transparent

Refractive Index

1.620-1.850-9999
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.223-0.227-9999
0 0.296
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Clarity

Translucent
Transparent

Smithsonite and Liddicoatite Optic Character

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

Similar to their colors, Smithsonite and Liddicoatite 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.