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Antimony trioxide
Antimony trioxide

Andalusite
Andalusite



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Antimony trioxide
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Andalusite

Antimony trioxide and Andalusite Optical Properties

Optical Properties

Luster

-
Vitreous, Greasy

Pleochroism

-
strongly trichroic

Dispersion

-0.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

2.0871.627-1.650
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic (α)<570 °C
Orthorhombic

Birefringence

-99990.009-0.010
0 0.296
👆🏻

Clarity

-
Transparent

Antimony trioxide and Andalusite Optic Character

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

Similar to their colors, Antimony trioxide and Andalusite 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.