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Pyroxmangite
Pyroxmangite

Sugilite
Sugilite



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Pyroxmangite
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Sugilite

Pyroxmangite and Sugilite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Weak

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.735-1.7561.607-1.612
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

0.017-0.0190.003
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Pyroxmangite and Sugilite Optic Character

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

Pyroxmangite and Sugilite Transparency

Similar to their colors, Pyroxmangite and Sugilite 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, Pyroxmangite is while Pyroxmangite is in appearance.