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Kyanite Cyprine
Kyanite Cyprine

Pleonaste
Pleonaste



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Kyanite Cyprine
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Pleonaste

Kyanite Cyprine and Pleonaste Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
Not Available
1.3 Dispersion
Albite Optical ..
0.02
Rank: 18 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
1.710-1.735
1.780
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.012-0.033
Not Available
1.9 Clarity
Transparent
Gemmological Tables (2004)

Kyanite Cyprine and Pleonaste Optic Character

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

Kyanite Cyprine and Pleonaste Transparency

Similar to their colors, Kyanite Cyprine and Pleonaste 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, Kyanite Cyprine is Transparent while Kyanite Cyprine is Transparent in appearance.