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Smithsonite
Smithsonite

Datolite
Datolite



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Smithsonite
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Datolite

Smithsonite and Datolite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.620-1.8501.621-1.675
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.223-0.2270.044
0 0.296
👆🏻

Clarity

Translucent
Transparent

Smithsonite and Datolite Optic Character

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

Similar to their colors, Smithsonite and Datolite 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.