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Agrellite and Lazurite Optical Properties


Lazurite and Agrellite Optical Properties


Optical Properties

Luster
Pearly   
Vitreous   

Pleochroism
colorless.   
Not Available   

Dispersion
Not Available   
Not Available   

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

Refractive Index
1.567   
1.500   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Isometric   

Birefringence
0.014   
Not Available   

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

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Agrellite and Lazurite Optic Character

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

Similar to their colors, Agrellite 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, Agrellite is Not Available while Agrellite is Not Available in appearance.

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