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Lazurite
Lazurite

Labradorite
Labradorite



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Lazurite
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Labradorite

Lazurite and Labradorite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Not Available
From the Congo
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.13 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Transparent to translucent
1.14 Refractive Index
1.5001.554-1.573
Agate Opal
1 3.25
1.15 Optic Character
Not Available
Not Available
1.16 Crystal System
Isometric
Triclinic
1.17 Birefringence
Not Available0.008-0.010
Achroite
0 0.296
1.18 Clarity
Gemmological Tables (2004) More from other references
Transparent

Lazurite and Labradorite Optic Character

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

Lazurite and Labradorite Transparency

Similar to their colors, Lazurite and Labradorite 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.