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Atacamite and Kornerupine Optical Properties


Kornerupine and Atacamite Optical Properties


Optical Properties

Luster
Adamantine, Vitreous   
Vitreous   

Pleochroism
X = pale green; Y = yellow-green; Z = grass-green   
X = colorless to green; Y = colorless   

Dispersion
Not Available   
0.02   
21

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

Refractive Index
1.831   
1.660-1.685   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Orthorhombic   

Birefringence
0.049   
0.012-0.017   

Clarity
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda   

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Atacamite and Kornerupine Optic Character

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

Similar to their colors, Atacamite 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, Atacamite is Not Available while Atacamite is Not Available in appearance.

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