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Cat s Eye and Danburite Optical Properties


Danburite and Cat s Eye Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Greasy   

Pleochroism
Not Available   
Weak: pale yellow yellow   

Dispersion
Not Available   
0.02   
22

Transparency
Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.744-1.755   
1.627-1.639   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Orthorhombic   
Orthorhombic   

Birefringence
Not Available   
0.006   

Clarity
Translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Cat s Eye and Danburite Optic Character

Cat s Eye and Danburite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Cat s Eye and Danburite 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 Cat s Eye and Danburite 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. Danburite has Biaxial/+ character.

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Cat s Eye and Danburite Transparency

Similar to their colors, Cat s Eye and Danburite 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, Cat s Eye is Translucent while Cat s Eye is Translucent in appearance.

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