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Amazonite
Amazonite

Crocoite
Crocoite



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Amazonite
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Crocoite

Amazonite and Crocoite Optical Properties

Optical Properties

Luster

Vitreous
Adamantine

Pleochroism

-
Distinctly trichroic

Dispersion

0.010.02
0.005 1
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Transparency

Translucent, Translucent to opaque
Transparent

Refractive Index

1.522-1.5302.31-2.66
1 3.25
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Optic Character

-
-

Crystal System

Triclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n

Birefringence

0.008-0.010-9999
0 0.296
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Clarity

Translucent
Transparent

Amazonite and Crocoite Optic Character

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

Similar to their colors, Amazonite and Crocoite 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.