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Amblygonite
Amblygonite

Faustite
Faustite



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Amblygonite
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Faustite

Amblygonite and Faustite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Waxy

Pleochroism

weak to none
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.578-1.6461.612
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

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

Birefringence

0.020-0.030-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Amblygonite and Faustite Optic Character

Amblygonite and Faustite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Amblygonite 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 Amblygonite 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. Amblygonite has Biaxial/+ character.

Amblygonite and Faustite Transparency

Similar to their colors, Amblygonite 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, Amblygonite is while Amblygonite is in appearance.