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Faustite and Dallasite Optical Properties


Dallasite and Faustite Optical Properties


Optical Properties

Luster
Waxy   
Not Available   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Not Available   

Refractive Index
1.612   
1.540   

Optic Character
Not Available   
Not Available   

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

Birefringence
Not Available   
0.008-0.010   

Clarity
Translucent   
Not Available   

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<< Physical Properties

Faustite and Dallasite Optic Character

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

Similar to their colors, Faustite and Dallasite 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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Green Gemstones


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