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Cinnabar and Chrysoprase Optical Properties


Chrysoprase and Cinnabar Optical Properties


Optical Properties

Luster
Adamantine   
Vitreous, Vitreous, Waxy   

Pleochroism
NilArthur Thomas   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Translucent   
Translucent, Translucent, Opaque, Translucent to nearly opaque   

Refractive Index
2.905-3.25   
1.530-1.543   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Trigonal   

Birefringence
Not Available   
0.004   

Clarity
Translucent   
Translucent   

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Cinnabar and Chrysoprase Optic Character

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

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Cinnabar and Chrysoprase Transparency

Similar to their colors, Cinnabar and Chrysoprase 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.

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