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Gedrite
Gedrite

Cinnabar
Cinnabar



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Gedrite
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Cinnabar

Gedrite and Cinnabar Optical Properties

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Optical Properties

Luster

Vitreous
Adamantine

Pleochroism

Weak to moderate
-

Dispersion

0.020.06
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.625-1.7182.905-3.25
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Gedrite and Cinnabar Optic Character

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

Gedrite and Cinnabar Transparency

Similar to their colors, Gedrite and Cinnabar 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, Gedrite is Transparent while Gedrite is Transparent in appearance.