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Antimony trioxide
Antimony trioxide

Zinnwaldite
Zinnwaldite



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Antimony trioxide
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Zinnwaldite

Antimony trioxide and Zinnwaldite Optical Properties

Optical Properties

Luster

-
Pearly, Vitreous

Pleochroism

-
Distinct

Dispersion

-0.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.0871.565-1.625
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic (α)<570 °C
monoclinic

Birefringence

-99990.040-0.050
0 0.296
👆🏻

Clarity

-
-

Antimony trioxide and Zinnwaldite Optic Character

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

Antimony trioxide and Zinnwaldite Transparency

Similar to their colors, Antimony trioxide and Zinnwaldite 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, Antimony trioxide is while Antimony trioxide is in appearance.