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Anhydrite
Anhydrite

Antimony trioxide
Antimony trioxide



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Anhydrite
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Antimony trioxide

Anhydrite and Antimony trioxide Optical Properties

Optical Properties

Luster

Pearly, Greasy
-

Pleochroism

For violet varieties
-

Dispersion

0.01-
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.570-1.6142.087
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
cubic (α)<570 °C

Birefringence

0.042-0.044-9999
0 0.296
👆🏻

Clarity

Transparent
-

Anhydrite and Antimony trioxide Optic Character

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

Similar to their colors, Anhydrite and Antimony trioxide 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.