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Friedelite
Friedelite

Faustite
Faustite



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Friedelite
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Faustite

Friedelite and Faustite Optical Properties

Optical Properties

Luster

-
Waxy

Pleochroism

-
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.627-1.6631.612
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1

Birefringence

0.032-0.035-9999
0 0.296
👆🏻

Clarity

Translucent
Translucent

Friedelite and Faustite Optic Character

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

Friedelite and Faustite Transparency

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