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Petoskey Stone and Emerald Optical Properties


Emerald and Petoskey Stone Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Strong dichroism: yellow green Lazzarelli   

Dispersion
Not Available   
0.01   
26

Transparency
Not Available   
Transparent, Translucent, Transparent to translucent   

Refractive Index
Not Available   
1.565-1.602   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Hexagonal   

Birefringence
Not Available   
0.0040-0.0070   

Clarity
Not Available   
Color grading system   

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Petoskey Stone and Emerald Optic Character

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

Similar to their colors, Petoskey Stone and Emerald 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, Petoskey Stone is Not Available while Petoskey Stone is Not Available in appearance.

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