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Chrysocolla
Chrysocolla

Kyanite Cyprine
Kyanite Cyprine



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Chrysocolla
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Kyanite Cyprine

Chrysocolla and Kyanite Cyprine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
0.02
Rank: 18 (Overall)
Fluorite Optical Properties
1.4 Transparency
Opaque
Transparent
1.5 Refractive Index
1.460-1.570
1.710-1.735
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.023-0.050
0.012-0.033
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Chrysocolla and Kyanite Cyprine Optic Character

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

Chrysocolla and Kyanite Cyprine Transparency

Similar to their colors, Chrysocolla 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, Chrysocolla is Opaque while Chrysocolla is Opaque in appearance.