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Axinite
Axinite

Pyrite
Pyrite



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Axinite
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Pyrite

Axinite and Pyrite Optical Properties

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Optical Properties

Luster

Vitreous
-

Pleochroism

Strong
-

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.656-1.704-9999
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

Triclinic
Isometric

Birefringence

0.009-0.012-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
OpaqueHerve Nicolas Lazzarelli

Axinite and Pyrite Optic Character

Axinite and Pyrite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Axinite and Pyrite 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 Axinite and Pyrite 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. Axinite has Biaxial/+ character.

Axinite and Pyrite Transparency

Similar to their colors, Axinite and Pyrite 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, Axinite is while Axinite is in appearance.