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Verdelite and Agate Optical Properties


Agate and Verdelite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Strong: dark green yellow   
Absent   

Dispersion
0.02   
22
None   

Transparency
Transparent, Translucent   
Translucent   

Refractive Index
1.614-1.666   
1.530-1.543   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
0.014-0.040   
0.004   

Clarity
Transparent   
Translucent   

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Verdelite and Agate Optic Character

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

Similar to their colors, Verdelite and Agate 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, Verdelite is Translucent and Transparent while Verdelite is Translucent and Transparent in appearance.

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