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Lazulite
Lazulite

Ammolite
Ammolite



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Lazulite
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Ammolite

Lazulite and Ammolite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Silky, Vitreous
1.2 Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
None
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.604-1.6461.520-1.670
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.031-0.0360.135-0.145
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Lazulite and Ammolite Optic Character

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

Lazulite and Ammolite Transparency

Similar to their colors, Lazulite and Ammolite 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, Lazulite is Translucent and Transparent while Lazulite is Translucent and Transparent in appearance.