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Pleonaste and Charoite Optical Properties


Charoite and Pleonaste Optical Properties


Optical Properties

Luster
Not Available   
Pearly, Fibrous, Chatoyant   

Pleochroism
Not Available   
NilArthur Thomas   

Dispersion
Not Available   
Not Available   

Transparency
Gemmological Tables (2004)   
Translucent   

Refractive Index
1.780   
1.545-1.560   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Triclinic   

Birefringence
Not Available   
0.009   

Clarity
Gemmological Tables (2004)   
Translucent   

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<< Physical Properties

Pleonaste and Charoite Optic Character

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

Similar to their colors, Pleonaste and Charoite 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, Pleonaste is Gemmological Tables (2004) while Pleonaste is Gemmological Tables (2004) in appearance.

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