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Celestine and London blue topaz Optical Properties


London blue topaz and Celestine Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Not Available   

Pleochroism
Weakly trichroiC   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Gems   
Not Available   

Refractive Index
1.619-1.635   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Not Available   

Birefringence
0.004-0.012   
Not Available   

Clarity
Gems   
Not Available   

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<< Physical Properties

Celestine and London blue topaz Optic Character

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

Similar to their colors, Celestine and London blue topaz 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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