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Arfvedsonite and Kornerupine Optical Properties


Kornerupine and Arfvedsonite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Strong: Blue-greens   
X = colorless to green; Y = colorless   

Dispersion
Not Available   
0.02   
21

Transparency
Not Available   
Gemmological Tables (2004) More from other references   

Refractive Index
1.652-1.699   
1.660-1.685   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Orthorhombic   

Birefringence
Not Available   
0.012-0.017   

Clarity
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda   

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Arfvedsonite and Kornerupine Optic Character

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

Similar to their colors, Arfvedsonite and Kornerupine 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, Arfvedsonite is Not Available while Arfvedsonite is Not Available in appearance.

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