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Cavansite and Lazurite Optical Properties


Lazurite and Cavansite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous   

Pleochroism
Visible: X=Z= colorless Y= blue   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Gemmological Tables (2004) More from other references   

Refractive Index
1.542   
1.500   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Isometric   

Birefringence
0.009   
Not Available   

Clarity
Not Available   
Gemmological Tables (2004) More from other references   

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Cavansite and Lazurite Optic Character

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

Similar to their colors, Cavansite and Lazurite 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 Not Available while Cavansite is Not Available in appearance.

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