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Cinnabar
Cinnabar

Linarite
Linarite



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Cinnabar
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Linarite

Cinnabar and Linarite Optical Properties

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Optical Properties

Luster

Adamantine
Sub-Adamantine, Vitreous

Pleochroism

-
X = pale blue; Y = blue; Z = Prussian blue

Dispersion

0.060.05
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

2.905-3.251.809-1.859
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

-99990.050
0 0.296
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Clarity

Translucent
Transparent

Cinnabar and Linarite Optic Character

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

Similar to their colors, Cinnabar and Linarite 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.