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Lazulite and Fayalite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Not Available   

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

Dispersion
Not Available   
0.01   
26

Transparency
TransparentAnthony et al, Handbook of mineralogy (2001)   
Transparent, Translucent   

Refractive Index
1.827-1.879   
1.604-1.646   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
monoclinic   

Birefringence
0.042-0.051   
0.031-0.036   

Clarity
TransparentAnthony et al   
Transparent   

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