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Faustite
Faustite

Taaffeite
Taaffeite



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Faustite
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Taaffeite

Faustite and Taaffeite Optical Properties

Optical Properties

Luster

Waxy
Vitreous

Pleochroism

-
Weak

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.6121.70-1.73
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
Hexagonal

Birefringence

-99990.055
0 0.296
👆🏻

Clarity

Translucent
-

Faustite and Taaffeite Optic Character

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

Faustite and Taaffeite Transparency

Similar to their colors, Faustite and Taaffeite 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, Faustite is Translucent while Faustite is Translucent in appearance.