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Narsarsukite
Narsarsukite

Kyanite Cyprine
Kyanite Cyprine



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Narsarsukite
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Kyanite Cyprine

Narsarsukite and Kyanite Cyprine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
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
Transparent, Translucent
Transparent
1.5 Refractive Index
1.610-1.647
1.710-1.735
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.021
0.012-0.033
1.9 Clarity
Transparent
Transparent

Narsarsukite and Kyanite Cyprine Optic Character

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

Narsarsukite and Kyanite Cyprine Transparency

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