Serpentine and Kyanite Cyprine Optical Properties

Serpentine

Kyanite Cyprine

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1 Optical Properties

1.1 Luster

Vitreous, Greasy, Silky

Vitreous

1.2 Pleochroism

AbsentWalter Schumann

Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli

1.3 Dispersion

None0.02

0.007 1

1.4 Transparency

Translucent

Transparent

1.5 Refractive Index

1.560-1.5711.710-1.735

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.008-0.0140.012-0.033

0 0.296

1.9 Clarity

Translucent

Transparent

Serpentine and Kyanite Cyprine Optic Character

Serpentine and Kyanite Cyprine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Serpentine and Kyanite Cyprine 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 Kyanite Cyprine 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. Kyanite Cyprine has Biaxial/+ character.

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Serpentine and Kyanite Cyprine Transparency

Similar to their colors, Serpentine and Kyanite Cyprine 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.