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Moonstone
Moonstone

Cymophane
Cymophane



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Moonstone
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Cymophane

Moonstone and Cymophane Optical Properties

Optical Properties

Luster

Pearly
-

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent, Transparent to translucent
Transparent

Refractive Index

1.518-1.5271.739-1.770
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

monoclinic
-

Birefringence

0.006-0.0070.007-0.013
0 0.296
👆🏻

Clarity

Transparent
Transparent

Moonstone and Cymophane Optic Character

Moonstone and Cymophane optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Moonstone and Cymophane 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 Cymophane 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. Cymophane has Biaxial/+ character.

Moonstone and Cymophane Transparency

Similar to their colors, Moonstone and Cymophane 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.