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Anhydrite
Anhydrite

Diamond
Diamond



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Anhydrite
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Diamond

Anhydrite and Diamond Optical Properties

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Optical Properties

Luster

Pearly, Greasy
Adamantine

Pleochroism

For violet varieties
None

Dispersion

0.010.04
0.005 1
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Transparency

Transparent
Transparent, Translucent, Transparent to opaque

Refractive Index

1.570-1.6142.417-2.419
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
cubic

Birefringence

0.042-0.044-9999
0 0.296
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Clarity

Transparent
Transparent

Anhydrite and Diamond Optic Character

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

Similar to their colors, Anhydrite and Diamond 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.