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Vesuvianite
Vesuvianite

Lazurite
Lazurite



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Vesuvianite
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Lazurite

Vesuvianite and Lazurite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous
1.2 Pleochroism
slight in colored varieties
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.703-1.752
1.500
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Isometric
1.8 Birefringence
0.004-0.006
Not Available
1.9 Clarity
Not Available
Gemmological Tables (2004) More from other references

Vesuvianite and Lazurite Optic Character

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

Vesuvianite and Lazurite Transparency

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