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Kyanite Cyprine
Kyanite Cyprine

Melanite
Melanite



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Kyanite Cyprine
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Melanite

Kyanite Cyprine and Melanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Subadamantine, Vitreous
1.2 Pleochroism
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
Not Available
1.3 Dispersion
0.020.06
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.710-1.7351.855-1.895
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.012-0.033Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Kyanite Cyprine and Melanite Optic Character

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

Similar to their colors, Kyanite Cyprine and Melanite 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.