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Ammonite and Kyanite Optical Properties


Kyanite and Ammonite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Pearly   

Pleochroism
Not Available   
Trichroic   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Not Available   

Refractive Index
Not Available   
1.71-1.74   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Triclinic   

Birefringence
Not Available   
Not Available   

Clarity
Not Available   
Color grading system   

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Ammonite and Kyanite Optic Character

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

Similar to their colors, Ammonite and Kyanite 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, Ammonite is Not Available while Ammonite is Not Available in appearance.

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