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Faustite and Axinite Optical Properties


Axinite and Faustite Optical Properties


Optical Properties

Luster
Waxy   
Vitreous   

Pleochroism
Not Available   
Strong   

Dispersion
Not Available   
0.02   
21

Transparency
Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.612   
1.656-1.704   

Optic Character
Not Available   
Biaxial/+   

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

Birefringence
Not Available   
0.009-0.012   

Clarity
Translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Faustite and Axinite Optic Character

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

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Faustite and Axinite Transparency

Similar to their colors, Faustite and Axinite 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.

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