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Cavansite and Beryl Optical Properties


Beryl and Cavansite Optical Properties


Optical Properties

Luster
Vitreous, Pearly  
Vitreous, Resinous  

Pleochroism
Visible: X=Z= colorless Y= blue  
Weak to distinct  

Dispersion
0.04  
33
0.01  
99+

Transparency
-  
Transparent, Transparent to opaque  

Refractive Index
1.542  
1.560-1.604  

Optic Character
-  
-  

Crystal System
Orthorhombic  
Hexagonal  

Birefringence
0.009  
0.0040-0.0070  

Clarity
-  
Transparent  

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Cavansite and Beryl Optic Character

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

Similar to their colors, Cavansite and Beryl 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, Cavansite is while Cavansite is in appearance.

Blue Gemstones

Blue Gemstones


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