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Mexican fire opal
Mexican fire opal

Amazonite
Amazonite



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Mexican fire opal
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Amazonite

Mexican fire opal and Amazonite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Translucent, Translucent to opaque

Refractive Index

-99991.522-1.530
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Triclinic

Birefringence

-99990.008-0.010
0 0.296
👆🏻

Clarity

-
Translucent

Mexican fire opal and Amazonite Optic Character

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

Mexican fire opal and Amazonite Transparency

Similar to their colors, Mexican fire opal and Amazonite 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, Mexican fire opal is while Mexican fire opal is in appearance.