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Faustite and Achroite Optical Properties


Achroite and Faustite Optical Properties


Optical Properties

Luster
Waxy   
Not Available   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
0.02   
22

Transparency
Translucent   
Transparent, Translucent   

Refractive Index
1.612   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1   
Not Available   

Birefringence
Not Available   
0.014-0.040   

Clarity
Translucent   
Transparent   

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Faustite and Achroite Optic Character

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

Similar to their colors, Faustite and Achroite 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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