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Celestine and Beryllonite Optical Properties


Beryllonite and Celestine Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous, Adamantine, Pearly   

Pleochroism
Weakly trichroiC   
AbsentWalter Schumann   

Dispersion
Not Available   
0.01   
29

Transparency
Gems   
Gemmological Tables (2004) More from other references   

Refractive Index
1.619-1.635   
1.552-1.562   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
monoclinic   

Birefringence
0.004-0.012   
0.009   

Clarity
Gems   
TransparentUlrich Henn and Claudio C. Milisenda   

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Celestine and Beryllonite Optic Character

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

Similar to their colors, Celestine and Beryllonite 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, Celestine is Gems while Celestine is Gems in appearance.

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