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Mottramite and Albite Optical Properties


Albite and Mottramite Optical Properties


Optical Properties

Luster
Greasy  
Vitreous, Pearly  

Pleochroism
Visible X=Y= canary yellow to greenish yellow  
colorless.  

Dispersion
0.04  
36
1.00  
1

Transparency
-  
Transparent, Translucent  

Refractive Index
2.170  
1.525-1.542  

Optic Character
-  
-  

Crystal System
Orthorhombic  
Triclinic  

Birefringence
0.150  
0.008-0.011  

Clarity
-  
Transparent  

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Mottramite and Albite Optic Character

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

Similar to their colors, Mottramite and Albite 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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Brown Gemstones


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