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Williamsite and Kornerupine Optical Properties


Kornerupine and Williamsite Optical Properties


Optical Properties

Luster
Waxy, Silky, Resinous, Greasy   
Vitreous   

Pleochroism
Not Available   
X = colorless to green; Y = colorless   

Dispersion
Not Available   
0.02   
21

Transparency
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)   
Gemmological Tables (2004) More from other references   

Refractive Index
1.530-1.575   
1.660-1.685   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Orthorhombic   

Birefringence
Not Available   
0.012-0.017   

Clarity
TranslucentHerve Nicolas Lazzarelli   
TransparentUlrich Henn and Claudio C. Milisenda   

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Williamsite and Kornerupine Optic Character

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

Similar to their colors, Williamsite 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, Williamsite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli while Williamsite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli in appearance.

Green Gemstones

Green Gemstones


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