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Lazurite
Lazurite

Rossmanite
Rossmanite



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Lazurite
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Rossmanite

Lazurite and Rossmanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
TransparentWebmineral.com, Mineralogy Database (2012)
1.5 Refractive Index
1.5001.624-1.645
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Not Available
1.8 Birefringence
Not Available0.021
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
TransparentWebmineral.com

Lazurite and Rossmanite Optic Character

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

Similar to their colors, Lazurite and Rossmanite 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.