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Atacamite
Atacamite

Scheelite
Scheelite



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Atacamite
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Scheelite

Atacamite and Scheelite Optical Properties

Optical Properties

Luster

Adamantine, Vitreous
Vitreous, Adamantine

Pleochroism

X = pale green; Y = yellow-green; Z = grass-green
Definite dichoric in yellow (yellow to orange-brown)

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

-
Translucent, Transparent

Refractive Index

1.8311.918-1.936
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

0.0490.016
0 0.296
👆🏻

Clarity

-
Translucent

Atacamite and Scheelite Optic Character

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

Atacamite and Scheelite Transparency

Similar to their colors, Atacamite 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, Atacamite is while Atacamite is in appearance.