×

Cinnabar
Cinnabar

Gedrite
Gedrite



ADD
Compare
X
Cinnabar
X
Gedrite

Cinnabar and Gedrite Optical Properties

Add ⊕

Optical Properties

Luster

Adamantine
Vitreous

Pleochroism

-
Weak to moderate

Dispersion

0.060.02
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

2.905-3.251.625-1.718
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Cinnabar and Gedrite Optic Character

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

Similar to their colors, Cinnabar and Gedrite 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.