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Kyanite Cyprine
Kyanite Cyprine

Montebrasite
Montebrasite



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Kyanite Cyprine
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Montebrasite

Kyanite Cyprine and Montebrasite 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
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.710-1.7351.578-1.646
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.012-0.0330.020-0.030
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentWalter Schumann

Kyanite Cyprine and Montebrasite Optic Character

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

Similar to their colors, Kyanite Cyprine and Montebrasite 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.