Serpentine and Kornerupine Optical Properties

Serpentine

Kornerupine

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1 Optical Properties

1.1 Luster

Vitreous, Greasy, Silky

Vitreous

1.2 Pleochroism

AbsentWalter Schumann

X = colorless to green; Y = colorless

1.3 Dispersion

None0.02

0.007 1

1.4 Transparency

Translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.560-1.5711.660-1.685

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Orthorhombic

1.8 Birefringence

0.008-0.0140.012-0.017

0 0.296

1.9 Clarity

Translucent

TransparentUlrich Henn and Claudio C. Milisenda

Serpentine and Kornerupine Optic Character

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

Similar to their colors, Serpentine 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, Serpentine is Translucent while Serpentine is Translucent in appearance.