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Cobaltite and Kornerupine Optical Properties


Kornerupine and Cobaltite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Very weak   
X = colorless to green; Y = colorless   

Dispersion
Not Available   
0.02   
21

Transparency
Gems   
Gemmological Tables (2004) More from other references   

Refractive Index
Not Available   
1.660-1.685   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21   
Orthorhombic   

Birefringence
Not Available   
0.012-0.017   

Clarity
Gems   
TransparentUlrich Henn and Claudio C. Milisenda   

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Cobaltite and Kornerupine Optic Character

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

Similar to their colors, Cobaltite 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, Cobaltite is Gems while Cobaltite is Gems in appearance.

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