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Anhydrite
Anhydrite

Wavellite
Wavellite



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Anhydrite
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Wavellite

Anhydrite and Wavellite Optical Properties

Optical Properties

Luster

Pearly, Greasy
Vitreous, Resinous, Pearly

Pleochroism

For violet varieties
Weak

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.570-1.6141.518-1.561
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.042-0.0440.025
0 0.296
👆🏻

Clarity

Transparent
-

Anhydrite and Wavellite Optic Character

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

Anhydrite and Wavellite Transparency

Similar to their colors, Anhydrite and Wavellite 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, Anhydrite is Transparent while Anhydrite is Transparent in appearance.