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Smithsonite
Smithsonite

Scheelite
Scheelite



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Smithsonite
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Scheelite

Smithsonite and Scheelite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Adamantine

Pleochroism

-
Definite dichoric in yellow (yellow to orange-brown)

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Translucent
Translucent, Transparent

Refractive Index

1.620-1.8501.918-1.936
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
tetragonal

Birefringence

0.223-0.2270.016
0 0.296
👆🏻

Clarity

Translucent
Translucent

Smithsonite and Scheelite Optic Character

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

Similar to their colors, Smithsonite and Scheelite 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.