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Lazurite and Pearl Optical Properties


Pearl and Lazurite Optical Properties


Optical Properties

Luster
Vitreous   
Pearly   

Pleochroism
Not Available   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Gemmological Tables (2004) More from other references   
Translucent, Opaque   

Refractive Index
1.500   
1.52-1.66   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Orthorhombic   

Birefringence
Not Available   
0.156   

Clarity
Gemmological Tables (2004) More from other references   
Translucent   

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Lazurite and Pearl Optic Character

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

Similar to their colors, Lazurite and Pearl 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, Lazurite is Gemmological Tables (2004) More from other references while Lazurite is Gemmological Tables (2004) More from other references in appearance.

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