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Ammolite
Ammolite

Moonstone
Moonstone



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Ammolite
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Moonstone

Ammolite and Moonstone Optical Properties

Optical Properties

Luster

Silky, Vitreous
Pearly

Pleochroism

None
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Transparent, Transparent to translucent

Refractive Index

1.520-1.6701.518-1.527
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.135-0.1450.006-0.007
0 0.296
👆🏻

Clarity

-
Transparent

Ammolite and Moonstone Optic Character

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

Ammolite and Moonstone Transparency

Similar to their colors, Ammolite 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, Ammolite is while Ammolite is in appearance.