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Narsarsukite and Eosphorite Optical Properties


Eosphorite and Narsarsukite Optical Properties


Optical Properties

Luster
Vitreous, Pearly  
Vitreous, Resinous  

Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow  
Visible: X = yellow; Y = pink; Z = pale pink to colorless  

Dispersion
0.02  
99+
0.01  
99+

Transparency
Transparent, Translucent  
Transparent  

Refractive Index
1.610-1.647  
1.639-1.672  

Optic Character
-  
-  

Crystal System
tetragonal  
Orthorhombic  

Birefringence
0.021  
0.029-0.032  

Clarity
Transparent  
Transparent  

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Narsarsukite and Eosphorite Optic Character

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

Similar to their colors, Narsarsukite 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, Narsarsukite is Transparent and Translucent while Narsarsukite is Transparent and Translucent in appearance.

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