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Beryllonite and Faustite Optical Properties


Faustite and Beryllonite Optical Properties


Optical Properties

Luster
Vitreous, Adamantine, Pearly   
Waxy   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
0.01   
29
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
Translucent   

Refractive Index
1.552-1.562   
1.612   

Optic Character
Not Available   
Not Available   

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

Birefringence
0.009   
Not Available   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Translucent   

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Beryllonite and Faustite Optic Character

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

Similar to their colors, Beryllonite 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, Beryllonite is Gemmological Tables (2004) More from other references while Beryllonite is Gemmological Tables (2004) More from other references in appearance.

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