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Taaffeite and Plumbogummite Optical Properties


Plumbogummite and Taaffeite Optical Properties


Optical Properties

Luster
Vitreous  
Resinous  

Pleochroism
Weak  
None  

Dispersion
0.02  
99+
0.04  
39

Transparency
-  
-  

Refractive Index
1.70-1.73  
1.653-1.688  

Optic Character
-  
-  

Crystal System
Hexagonal  
Trigonal  

Birefringence
0.055  
-9999  

Clarity
-  
-  

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Taaffeite and Plumbogummite Optic Character

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

Similar to their colors, Taaffeite and Plumbogummite 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, Taaffeite is while Taaffeite is in appearance.

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