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Charoite
Charoite

Kyanite Cyprine
Kyanite Cyprine



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Charoite
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Kyanite Cyprine

Charoite and Kyanite Cyprine Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Fibrous, Chatoyant
Vitreous
1.2 Pleochroism
NilArthur Thomas
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 18 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.545-1.560
1.710-1.735
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.009
0.012-0.033
1.9 Clarity
Translucent
Transparent

Charoite and Kyanite Cyprine Optic Character

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

Charoite and Kyanite Cyprine Transparency

Similar to their colors, Charoite 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, Charoite is Translucent while Charoite is Translucent in appearance.