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Ammolite and Chrysoprase Optical Properties


Chrysoprase and Ammolite Optical Properties


Optical Properties

Luster
Silky, Vitreous   
Vitreous, Vitreous, Waxy   

Pleochroism
None   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Not Available   
Translucent, Translucent, Opaque, Translucent to nearly opaque   

Refractive Index
1.520-1.670   
1.530-1.543   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Trigonal   

Birefringence
0.135-0.145   
0.004   

Clarity
Not Available   
Translucent   

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<< Physical Properties

Ammolite and Chrysoprase Optic Character

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

Similar to their colors, Ammolite and Chrysoprase 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, Ammolite is Not Available while Ammolite is Not Available in appearance.

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