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Legrandite
Legrandite

Lazulite
Lazulite



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Legrandite
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Lazulite

Legrandite and Lazulite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Colorless
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Transparent, Translucent
1.5 Refractive Index
1.702-1.7401.604-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.0600.031-0.036
Achroite
0 0.296
1.9 Clarity
Gems
Transparent

Legrandite and Lazulite Optic Character

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

Legrandite and Lazulite Transparency

Similar to their colors, Legrandite 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, Legrandite is Gems while Legrandite is Gems in appearance.