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Simpsonite and Lazulite Optical Properties


Lazulite and Simpsonite Optical Properties


Optical Properties

Luster
Adamantine   
Not Available   

Pleochroism
NilArthur Thomas   
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli   

Dispersion
Not Available   
0.01   
26

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

Refractive Index
1.994-2.040   
1.604-1.646   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
monoclinic   

Birefringence
0.046   
0.031-0.036   

Clarity
Gemmological Tables (2004) More from other references   
Transparent   

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Simpsonite and Lazulite Optic Character

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

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

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