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Charoite and Carletonite Optical Properties


Carletonite and Charoite Optical Properties


Optical Properties

Luster
Pearly, Fibrous, Chatoyant   
Vitreous   

Pleochroism
NilArthur Thomas   
Weak   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.545-1.560   
1.517-1.521   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
tetragonal   

Birefringence
0.009   
0.004   

Clarity
Translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Charoite and Carletonite Optic Character

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

Similar to their colors, Charoite and Carletonite 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, Charoite is Translucent while Charoite is Translucent in appearance.

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