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Petoskey Stone and Gahnospinel Optical Properties


Gahnospinel and Petoskey Stone Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
AbsentWalter Schumann   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Gemmological Tables (2004)   

Refractive Index
Not Available   
1.735-1.790   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Isometric   

Birefringence
Not Available   
Not Available   

Clarity
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda   

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<< Physical Properties

Petoskey Stone and Gahnospinel Optic Character

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

Similar to their colors, Petoskey Stone and Gahnospinel 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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