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Pietersite and Pezzottaite Optical Properties


Pezzottaite and Pietersite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Moderate dichroic   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent   

Refractive Index
1.54-1.56   
1.598-1.620   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Hexagonal   

Birefringence
Not Available   
0.008-0.011   

Clarity
Not Available   
Transparent   

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Pietersite and Pezzottaite Optic Character

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

Similar to their colors, Pietersite and Pezzottaite 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, Pietersite is Not Available while Pietersite is Not Available in appearance.

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