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Sphalerite
Sphalerite

Antimony trioxide
Antimony trioxide



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Sphalerite
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Antimony trioxide

Sphalerite and Antimony trioxide Optical Properties

Optical Properties

Luster

Adamantine
-

Pleochroism

-
-

Dispersion

0.16-
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

2.368-2.3712.087
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
cubic (α)<570 °C

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
-

Sphalerite and Antimony trioxide Optic Character

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

Sphalerite and Antimony trioxide Transparency

Similar to their colors, Sphalerite 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, Sphalerite is Transparent and Translucent while Sphalerite is Transparent and Translucent in appearance.