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Labradorite
Labradorite

Fayalite
Fayalite



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Labradorite
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Fayalite

Labradorite and Fayalite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
-
0.01
Transparent, Translucent, Transparent to translucent
1.554-1.573
-
Triclinic
0.008-0.010
Transparent
 
Vitreous, Resinous
Faint
0.03
TransparentAnthony et al
1.827-1.879
-
Orthorhombic
0.042-0.051
TransparentAnthony et al

Labradorite and Fayalite Optic Character

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

Labradorite and Fayalite Transparency

Similar to their colors, Labradorite and Fayalite 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, Labradorite is while Labradorite is in appearance.