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Antimony trioxide
Antimony trioxide

Bertrandite
Bertrandite



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Antimony trioxide
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Bertrandite

Antimony trioxide and Bertrandite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
none.

Dispersion

-0.01
0.005 1
👆🏻

Transparency

-
TransparentAnthony et al

Refractive Index

2.0871.583-1.614
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic (α)<570 °C
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
TransparentAnthony et al

Antimony trioxide and Bertrandite Optic Character

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

Similar to their colors, Antimony trioxide and Bertrandite 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.