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Kunzite and Andradite Optical Properties


Andradite and Kunzite Optical Properties


Optical Properties

Luster
Vitreous   
Adamantine, Resinous   

Pleochroism
Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli   
Not Available   

Dispersion
0.02   
22
0.06   
7

Transparency
Transparent   
Transparent   

Refractive Index
1.657-1.681   
1.88-1.94   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
cubic   

Birefringence
0.014-0.016   
0.057   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Transparent   

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Kunzite and Andradite Optic Character

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

Similar to their colors, Kunzite and Andradite 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, Kunzite is Transparent while Kunzite is Transparent in appearance.

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