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Fayalite
Fayalite

Verdite
Verdite



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Fayalite
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Verdite

Fayalite and Verdite Optical Properties

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Optical Properties

Luster

Vitreous, Resinous
Vitreous, Silky

Pleochroism

Faint
Extreme

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

TransparentAnthony et al
Translucent

Refractive Index

1.827-1.8791.580
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Birefringence

0.042-0.051-9999
0 0.296
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Clarity

TransparentAnthony et al
Translucent

Fayalite and Verdite Optic Character

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

Fayalite and Verdite Transparency

Similar to their colors, Fayalite and Verdite 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, Fayalite is TransparentAnthony et al while Fayalite is TransparentAnthony et al in appearance.