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Moonstone and Cinnabar Optical Properties


Cinnabar and Moonstone Optical Properties


Optical Properties

Luster
Pearly   
Adamantine   

Pleochroism
AbsentWalter Schumann   
NilArthur Thomas   

Dispersion
None   
Not Available   

Transparency
Transparent, Transparent to translucent   
Translucent   

Refractive Index
1.518-1.527   
2.905-3.25   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Trigonal   

Birefringence
0.006-0.007   
Not Available   

Clarity
Transparent   
Translucent   

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Moonstone and Cinnabar Optic Character

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

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Moonstone and Cinnabar Transparency

Similar to their colors, Moonstone 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, Moonstone is Transparent and Transparent to translucent while Moonstone is Transparent and Transparent to translucent in appearance.

Semi Precious

Semi Precious


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