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Anhydrite
Anhydrite

Paraiba
Paraiba



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Anhydrite
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Paraiba

Anhydrite and Paraiba Optical Properties

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Optical Properties

Luster

Pearly, Greasy
-

Pleochroism

For violet varieties
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.570-1.6141.618-1.643
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.042-0.044-9999
0 0.296
👆🏻

Clarity

Transparent
-

Anhydrite and Paraiba Optic Character

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

Similar to their colors, Anhydrite and Paraiba 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.