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Rossmanite
Rossmanite

Lazulite
Lazulite



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Rossmanite
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Lazulite

Rossmanite and Lazulite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
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
TransparentWebmineral.com, Mineralogy Database (2012)
Transparent, Translucent
1.5 Refractive Index
1.624-1.6451.604-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.0210.031-0.036
Achroite
0 0.296
1.9 Clarity
TransparentWebmineral.com
Transparent

Rossmanite and Lazulite Optic Character

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

Rossmanite and Lazulite Transparency

Similar to their colors, Rossmanite 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, Rossmanite is Mineralogy Database (2012) and TransparentWebmineral.com while Rossmanite is Mineralogy Database (2012) and TransparentWebmineral.com in appearance.