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Coral and Moonstone Optical Properties


Moonstone and Coral Optical Properties


Optical Properties

Luster
Not Available   
Pearly   

Pleochroism
AbsentWalter Schumann   
AbsentWalter Schumann   

Dispersion
None   
None   

Transparency
Translucent   
Transparent, Transparent to translucent   

Refractive Index
1.486-1.658   
1.518-1.527   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
monoclinic   

Birefringence
0.160-0.172   
0.006-0.007   

Clarity
Translucent   
Transparent   

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<< Physical Properties

Coral and Moonstone Optic Character

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

Similar to their colors, Coral and Moonstone 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, Coral is Translucent while Coral is Translucent in appearance.

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