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Faustite
Faustite

Vesuvianite
Vesuvianite



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Faustite
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Vesuvianite

Faustite and Vesuvianite Optical Properties

Optical Properties

Luster

Waxy
Vitreous, Resinous

Pleochroism

-
slight in colored varieties

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.6121.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.004-0.006
0 0.296
👆🏻

Clarity

Translucent
-

Faustite and Vesuvianite Optic Character

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

Similar to their colors, Faustite and Vesuvianite 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.