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Ammolite
Ammolite

Emerald
Emerald



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Ammolite
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Emerald

Ammolite and Emerald Optical Properties

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Optical Properties

Luster

Silky, Vitreous
Vitreous

Pleochroism

None
Strong dichroism: yellow green Lazzarelli

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.520-1.6701.565-1.602
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Hexagonal

Birefringence

0.135-0.1450.0040-0.0070
0 0.296
👆🏻

Clarity

-
-

Ammolite and Emerald Optic Character

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

Similar to their colors, Ammolite and Emerald 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.