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Carnelian and Chrysocolla Optical Properties


Chrysocolla and Carnelian Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Greasy   

Pleochroism
AbsentWalter Schumann   
AbsentWalter Schumann   

Dispersion
None   
None   

Transparency
Translucent, Transparent to nearly opaque   
Opaque   

Refractive Index
1.535-1.539   
1.460-1.570   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
monoclinic   

Birefringence
0.003-0.009   
0.023-0.050   

Clarity
Translucent   
Gemmological Tables (2004) More from other references   

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Carnelian and Chrysocolla Optic Character

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

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Carnelian and Chrysocolla Transparency

Similar to their colors, Carnelian and Chrysocolla 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, Carnelian is Translucent and Transparent to nearly opaque while Carnelian is Translucent and Transparent to nearly opaque in appearance.

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