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Diaspore and Pezzotaite Optical Properties


Pezzotaite and Diaspore Optical Properties


Optical Properties

Luster
Pearly   
Not Available   

Pleochroism
Strong   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.702-1.750   
1.60-1.61   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Trigonal   

Birefringence
0.048   
Not Available   

Clarity
Transparent   
Color grading system   

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Diaspore and Pezzotaite Optic Character

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

Similar to their colors, Diaspore and Pezzotaite 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, Diaspore is Transparent while Diaspore is Transparent in appearance.

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