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Bronzite
Bronzite

Kyanite Cyprine
Kyanite Cyprine



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Bronzite
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Kyanite Cyprine

Bronzite and Kyanite Cyprine Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

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

Dispersion

0.020.02
0.005 1
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Transparency

Transparent, Translucent
Transparent

Refractive Index

1.6681.710-1.735
1 3.25
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Optic Character

-
Biaxial/+

Crystal System

Orthorhombic
-

Birefringence

0.0140.012-0.033
0 0.296
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Clarity

Transparent
Transparent

Bronzite and Kyanite Cyprine Optic Character

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

Bronzite and Kyanite Cyprine Transparency

Similar to their colors, Bronzite 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, Bronzite is Transparent and Translucent while Bronzite is Transparent and Translucent in appearance.