Aquamarine and Kyanite Cyprine Optical Properties

Aquamarine

Kyanite Cyprine

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

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

1.3 Dispersion

Albite Optical ..

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0.01

Rank: 26 (Overall)▶

0.02

Rank: 18 (Overall)▶

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Fluorite Optical Properties

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0.044 (Anglesite Opt..)

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1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent

1.5 Refractive Index

1.570-1.592

1.710-1.735

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

0.005-0.009

0.012-0.033

1.9 Clarity

Transparent to translucent

Transparent

Aquamarine and Kyanite Cyprine Optic Character

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

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