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Amazonite
Amazonite

Aragonite
Aragonite



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Amazonite
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Aragonite

Amazonite and Aragonite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

-
StrongArthur Thomas

Dispersion

0.010.17
0.005 1
👆🏻

Transparency

Translucent, Translucent to opaque
Transparent, Translucent

Refractive Index

1.522-1.5301.525-1.686
1 3.25
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Optic Character

-
-

Crystal System

Triclinic
Orthorhombic

Birefringence

0.008-0.0100.155
0 0.296
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Clarity

Translucent
Transparent

Amazonite and Aragonite Optic Character

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

Amazonite and Aragonite Transparency

Similar to their colors, Amazonite and Aragonite 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, Amazonite is Translucent and Translucent to opaque while Amazonite is Translucent and Translucent to opaque in appearance.