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Prismatine and Polyhalite Optical Properties


Polyhalite and Prismatine Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Resinous   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Not Available   

Refractive Index
Not Available   
1.546-1.548   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Triclinic   

Birefringence
Not Available   
0.021   

Clarity
Not Available   
Not Available   

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<< Physical Properties

Prismatine and Polyhalite Optic Character

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

Similar to their colors, Prismatine and Polyhalite 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, Prismatine is Not Available while Prismatine is Not Available in appearance.

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Green Gemstones


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