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Ekanite and Petoskey Stone Optical Properties


Petoskey Stone and Ekanite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.593-1.596   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422   
Trigonal   

Birefringence
0.001   
Not Available   

Clarity
Transparent   
Not Available   

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<< Physical Properties

Ekanite and Petoskey Stone Optic Character

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

Similar to their colors, Ekanite and Petoskey Stone 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, Ekanite is Transparent while Ekanite is Transparent in appearance.

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