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Zincite and Prasiolite Optical Properties


Prasiolite and Zincite Optical Properties


Optical Properties

Luster
Subadamantine, Resinous   
Vitreous   

Pleochroism
Very weak   
Very weak: light green pale greenWalter Schumann   

Dispersion
Not Available   
0.01   
27

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

Refractive Index
2.013-2.029   
1.544-1.553   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Trigonal   

Birefringence
0.016   
0.009   

Clarity
TransparentRobert C. Kammerling   
Transparent   

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Zincite and Prasiolite Optic Character

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

Similar to their colors, Zincite and Prasiolite 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, Zincite is The Journal of Gemmology (1995) More from other references and TransparentRobert C. Kammerling while Zincite is The Journal of Gemmology (1995) More from other references and TransparentRobert C. Kammerling in appearance.

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