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Charoite and Shattuckite Optical Properties


Shattuckite and Charoite Optical Properties


Optical Properties

Luster
Pearly, Fibrous, Chatoyant   
Silky   

Pleochroism
NilArthur Thomas   
X = very pale blue; Y = pale blue; Z = deep blue   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Translucent   

Refractive Index
1.545-1.560   
1.752-1.815   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Orthorhombic   

Birefringence
0.009   
0.063   

Clarity
Translucent   
Translucent   

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Charoite and Shattuckite Optic Character

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

Similar to their colors, Charoite and Shattuckite 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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