Baddeleyite and Kyanite Cyprine Optical Properties

Baddeleyite

Kyanite Cyprine

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

DistinctArthur Thomas

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

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

2.13-2.201.710-1.735

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c

Not Available

1.8 Birefringence

0.070.012-0.033

0 0.296

1.9 Clarity

Transparent

Baddeleyite and Kyanite Cyprine Optic Character

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

Similar to their colors, Baddeleyite 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, Baddeleyite is Transparent while Baddeleyite is Transparent in appearance.