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Pezzottaite and Eosphorite Optical Properties


Eosphorite and Pezzottaite Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous, Resinous  

Pleochroism
Moderate dichroic  
Visible: X = yellow; Y = pink; Z = pale pink to colorless  

Dispersion
0.02  
99+
0.01  
99+

Transparency
Transparent  
Transparent  

Refractive Index
1.598-1.620  
1.639-1.672  

Optic Character
-  
-  

Crystal System
Hexagonal  
Orthorhombic  

Birefringence
0.008-0.011  
0.029-0.032  

Clarity
Transparent  
Transparent  

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Pezzottaite and Eosphorite Optic Character

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

Similar to their colors, Pezzottaite and Eosphorite 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, Pezzottaite is Transparent while Pezzottaite is Transparent in appearance.

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