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Agate and Zincite Optical Properties


Zincite and Agate Optical Properties


Optical Properties

Luster
Vitreous   
Subadamantine, Resinous   

Pleochroism
Absent   
Very weak   

Dispersion
None   
Not Available   

Transparency
Translucent   
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references   

Refractive Index
1.530-1.543   
2.013-2.029   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Hexagonal   

Birefringence
0.004   
0.016   

Clarity
Translucent   
TransparentRobert C. Kammerling   

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Agate and Zincite Optic Character

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

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

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