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Afghanite and Chiastolite Optical Properties


Chiastolite and Afghanite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Gemstones (2009)   
Translucent   

Refractive Index
1.523   
1.627-1.645   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Not Available   

Birefringence
0.006   
0.007-0.013   

Clarity
Transparent   
Translucent   

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<< Physical Properties

Afghanite and Chiastolite Optic Character

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

Similar to their colors, Afghanite and Chiastolite 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, Afghanite is Gemstones (2009) and Transparent while Afghanite is Gemstones (2009) and Transparent in appearance.

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