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Mottramite and Boleite Optical Properties


Boleite and Mottramite Optical Properties


Optical Properties

Luster
Greasy  
Vitreous, Pearly  

Pleochroism
Visible X=Y= canary yellow to greenish yellow  
-  

Dispersion
0.04  
36
0.07  
18

Transparency
-  
Transparent  

Refractive Index
2.170  
2.05  

Optic Character
-  
-  

Crystal System
Orthorhombic  
Isometric  

Birefringence
0.150  
0.010  

Clarity
-  
Transparent  

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Mottramite and Boleite Optic Character

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

Similar to their colors, Mottramite and Boleite 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, Mottramite is while Mottramite is in appearance.

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