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Williamsite
Williamsite

Anhydrite
Anhydrite



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Williamsite
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Anhydrite

Williamsite and Anhydrite Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
Pearly, Greasy

Pleochroism

-
For violet varieties

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

TranslucentHerve Nicolas Lazzarelli
Transparent

Refractive Index

1.530-1.5751.570-1.614
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.042-0.044
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
Transparent

Williamsite and Anhydrite Optic Character

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

Williamsite and Anhydrite Transparency

Similar to their colors, Williamsite and Anhydrite 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, Williamsite is TranslucentHerve Nicolas Lazzarelli while Williamsite is TranslucentHerve Nicolas Lazzarelli in appearance.