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Tigers Eye
Tigers Eye

Kyanite Cyprine
Kyanite Cyprine



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Tigers Eye
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Kyanite Cyprine

Tigers Eye and Kyanite Cyprine Optical Properties

1 Optical Properties
1.1 Luster
Silky
Vitreous
1.2 Pleochroism
Not Available
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Transparent
1.5 Refractive Index
1.534-1.5401.710-1.735
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
Not Available0.012-0.033
Achroite
0 0.296
1.9 Clarity
Gemstones of the world (2001) More from other references
Transparent

Tigers Eye and Kyanite Cyprine Optic Character

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

Tigers Eye and Kyanite Cyprine Transparency

Similar to their colors, Tigers Eye 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, Tigers Eye is Opaque while Tigers Eye is Opaque in appearance.