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Pyrrhotite
Pyrrhotite

Amazonite
Amazonite



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Pyrrhotite
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Amazonite

Pyrrhotite and Amazonite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Translucent, Translucent to opaque

Refractive Index

31.522-1.530
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Triclinic

Birefringence

-99990.008-0.010
0 0.296
👆🏻

Clarity

-
Translucent

Pyrrhotite and Amazonite Optic Character

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

Pyrrhotite and Amazonite Transparency

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