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Ceylonite and Amblygonite Optical Properties


Amblygonite and Ceylonite Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous, Pearly  

Pleochroism
Absent  
weak to none  

Dispersion
0.02  
99+
0.01  
99+

Transparency
Transparent, Translucent  
-  

Refractive Index
1.770-1.780  
1.578-1.646  

Optic Character
-  
Biaxial/+  

Crystal System
Isometric  
Triclinic  

Birefringence
-9999  
0.020-0.030  

Clarity
Transparent  
TransparentUlrich Henn and Claudio C. Milisenda  

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Ceylonite and Amblygonite Optic Character

Ceylonite and Amblygonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Ceylonite and Amblygonite 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 Ceylonite and Amblygonite 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. Amblygonite has Biaxial/+ character.

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Ceylonite and Amblygonite Transparency

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

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