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Cinnabar
Cinnabar

Pyroxmangite
Pyroxmangite



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Cinnabar
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Pyroxmangite

Cinnabar and Pyroxmangite Optical Properties

Optical Properties

Luster

Adamantine
Vitreous

Pleochroism

-
-

Dispersion

0.060.02
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

2.905-3.251.735-1.756
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

-99990.017-0.019
0 0.296
👆🏻

Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Cinnabar and Pyroxmangite Optic Character

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

Cinnabar and Pyroxmangite Transparency

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