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Andradite and Faustite Optical Properties


Faustite and Andradite Optical Properties


Optical Properties

Luster
Adamantine, Resinous   
Waxy   

Pleochroism
Not Available   
Not Available   

Dispersion
0.06   
7
Not Available   

Transparency
Transparent   
Translucent   

Refractive Index
1.88-1.94   
1.612   

Optic Character
Not Available   
Not Available   

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

Birefringence
0.057   
Not Available   

Clarity
Transparent   
Translucent   

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Andradite and Faustite Optic Character

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

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Andradite and Faustite Transparency

Similar to their colors, Andradite 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, Andradite is Transparent while Andradite is Transparent in appearance.

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